hundreds.000 = 000 - Computer science, information, general works
hundreds.100 = 100 - Philosophy & psychology
hundreds.200 = 200 - Religion
hundreds.300 = 300 - Social sciences
hundreds.400 = 400 - Language
hundreds.500 = 500 - Natural sciences and mathematics
hundreds.600 = 600 - Technology (Applied sciences)
hundreds.700 = 700 - The arts
hundreds.800 = 800 - Literature (Belles-lettres) and rhetoric
hundreds.900 = 900 - History & geography
hundreds = [Unassigned]
tens.000 = 000 - Computer science, information, general works
tens.010 = 010 - Bibliography
tens.020 = 020 - Library and information sciences
tens.030 = 030 - General encyclopedic works
tens.040 = 040 - [Unassigned]
tens.050 = 050 - General serial publications
tens.060 = 060 - General organizations and museology
tens.070 = 070 - Documentary, educational, news media; journalism
tens.080 = 080 - General collections
tens.090 = 090 - Manuscripts, rare books
tens.100 = 100 - Philosophy & psychology
tens.110 = 110 - Metaphysics
tens.120 = 120 - Epistemology, causation, humankind
tens.130 = 130 - Parapsychology and occultism
tens.140 = 140 - Specific philosophical schools
tens.150 = 150 - Psychology
tens.160 = 160 - Philosophical logic
tens.170 = 170 - Ethics (Moral philosophy)
tens.180 = 180 - Ancient, medieval, eastern philosophy
tens.190 = 190 - Modern western philosophy
tens.200 = 200 - Religion
tens.210 = 210 - Philosophy and theory of religion
tens.220 = 220 - Bible
tens.230 = 230 - Christianity
tens.240 = 240 - Christian moral and devotional theology
tens.250 = 250 - Local Christian church and religious orders
tens.260 = 260 - Christian social and ecclesiastical theology
tens.270 = 270 - History, geographic treatment, biography
tens.280 = 280 - Denominations & sects of Christian church
tens.290 = 290 - Other religions
tens.300 = 300 - Social sciences
tens.310 = 310 - Collections of general statistics
tens.320 = 320 - Political science (Politics and government)
tens.330 = 330 - Economics
tens.340 = 340 - Law
tens.350 = 350 - Public administration and military science
tens.360 = 360 - Social problems and services; associations
tens.370 = 370 - Education
tens.380 = 380 - Commerce, communications, transportation
tens.390 = 390 - Customs, etiquette, folklore
tens.400 = 400 - Language
tens.410 = 410 - Linguistics
tens.420 = 420 - English & Old English (Anglo-Saxon)
tens.430 = 430 - German and related languages
tens.440 = 440 - French & related Romance languages
tens.450 = 450 - Italian, Romanian & related languages
tens.460 = 460 - Spanish, Portuguese, Galician
tens.470 = 470 - Latin and related Italic languages
tens.480 = 480 - Classical Greek; Hellenic languages
tens.490 = 490 - Other languages
tens.500 = 500 - Natural sciences and mathematics
tens.510 = 510 - Mathematics
tens.520 = 520 - Astronomy and allied sciences
tens.530 = 530 - Physics
tens.540 = 540 - Chemistry and allied sciences
tens.550 = 550 - Earth sciences
tens.560 = 560 - Paleontology
tens.570 = 570 - Biology
tens.580 = 580 - Plants
tens.590 = 590 - Animals
tens.600 = 600 - Technology (Applied sciences)
tens.610 = 610 - Medicine and health
tens.620 = 620 - Engineering and allied operations
tens.630 = 630 - Agriculture and related technologies
tens.640 = 640 - Home and family management
tens.650 = 650 - Management and auxiliary services
tens.660 = 660 - Chemical engineering
tens.670 = 670 - Manufacturing
tens.680 = 680 - Manufacture of products for specific uses
tens.690 = 690 - Construction of buildings
tens.700 = 700 - The arts
tens.710 = 710 - Area planning and landscape architecture
tens.720 = 720 - Architecture
tens.730 = 730 - Sculpture and related arts
tens.740 = 740 - Graphic arts and decorative arts
tens.750 = 750 - Painting and paintings
tens.760 = 760 - Printmaking & prints
tens.770 = 770 - Photography, computer art, cinematography
tens.780 = 780 - Music
tens.790 = 790 - Recreational and performing arts
tens.800 = 800 - Literature (Belles-lettres) and rhetoric
tens.810 = 810 - American literature in English
tens.820 = 820 - English & Old English literatures
tens.830 = 830 - Literatures of Germanic languages
tens.840 = 840 - Literatures of Romance languages
tens.850 = 850 - Italian, Romanian & related literatures
tens.860 = 860 - Spanish & Portuguese literatures
tens.870 = 870 - Latin & related Italic literatures
tens.880 = 880 - Classical Greek & Hellenic literatures
tens.890 = 890 - Literatures of other languages
tens.900 = 900 - History & geography
tens.910 = 910 - Geography and travel
tens.920 = 920 - Biography, genealogy, insignia
tens.930 = 930 - History of ancient world to ca. 499
tens.940 = 940 - History of Europe
tens.950 = 950 - History of Asia
tens.960 = 960 - History of Africa
tens.970 = 970 - History of North America
tens.980 = 980 - History of South America
tens.990 = 990 - History of other areas
tens = [Unassigned]
ones.000 = 000 - Computer science, information, general works
ones.001 = 001 - Knowledge
ones.002 = 002 - The book
ones.003 = 003 - Systems
ones.004 = 004 - Computer science
ones.005 = 005 - Computer programming, programs, data, security
ones.006 = 006 - Special computer methods
ones.007 = 007 - [Unassigned]
ones.008 = 008 - [Unassigned]
ones.009 = 009 - [Unassigned]
ones.010 = 010 - Bibliography
ones.011 = 011 - Bibliographies and catalogs
ones.012 = 012 - Bibliographies and catalogs of individuals
ones.013 = 013 - [Unassigned]
ones.014 = 014 - Of anonymous & pseudonymous works
ones.015 = 015 - Of works from specific places
ones.016 = 016 - Of works on specific subjects
ones.017 = 017 - Of works held in specific collections or offered for sale
ones.018 = 018 - [Unassigned]
ones.019 = 019 - [Unassigned]
ones.020 = 020 - Library and information sciences
ones.021 = 021 - Relationships of libraries and archives
ones.022 = 022 - Administration of physical plant
ones.023 = 023 - Personnel management
ones.024 = 024 - [Unassigned]
ones.025 = 025 - Operations of libraries and archives
ones.026 = 026 - Libraries and archives devoted to specific subjects
ones.027 = 027 - General libraries and archives
ones.028 = 028 - Reading and use of other information media
ones.029 = 029 - [Unassigned]
ones.030 = 030 - General encyclopedic works
ones.031 = 031 - General encyclopedic works in American English
ones.032 = 032 - General encyclopedic works in English
ones.033 = 033 - Encyclopedias in other Germanic languages
ones.034 = 034 - Encyclopedias in French, Occitan, Catalan
ones.035 = 035 - Encyclopedias in Italian, Romanian & related languages
ones.036 = 036 - Encyclopedias in Spanish, Portuguese, Galician
ones.037 = 037 - General encyclopedic works in Slavic languages
ones.038 = 038 - General encyclopedic works in Scandinavian languages
ones.039 = 039 - General encyclopedic works in other languages
ones.040 = 040 - [Unassigned]
ones.041 = 041 - [Unassigned]
ones.042 = 042 - [Unassigned]
ones.043 = 043 - [Unassigned]
ones.044 = 044 - [Unassigned]
ones.045 = 045 - [Unassigned]
ones.046 = 046 - [Unassigned]
ones.047 = 047 - [Unassigned]
ones.048 = 048 - [Unassigned]
ones.049 = 049 - [Unassigned]
ones.050 = 050 - General serial publications
ones.051 = 051 - General serial publications in American English
ones.052 = 052 - General serial publications in English
ones.053 = 053 - Serials in other Germanic languages
ones.054 = 054 - Serials in French, Occitan, Catalan
ones.055 = 055 - Serials in Italian, Romanian & related languages
ones.056 = 056 - Serials in Spanish, Portuguese, Galician
ones.057 = 057 - General serial publications in Slavic languages
ones.058 = 058 - Serials in Scandinavian languages
ones.059 = 059 - General serial publications in other languages
ones.060 = 060 - General organizations and museology
ones.061 = 061 - General organizations in North America
ones.062 = 062 - General organizations in British Isles
ones.063 = 063 - General organizations in Germany
ones.064 = 064 - General organizations in France and Monaco
ones.065 = 065 - General organizations in Italy
ones.066 = 066 - General organizations in Spain
ones.067 = 067 - General organizations in Russia
ones.068 = 068 - General organizations in other geographic areas
ones.069 = 069 - Museology (Museum science)
ones.070 = 070 - Documentary, educational, news media; journalism
ones.071 = 071 - Journalism and newspapers in North America
ones.072 = 072 - Journalism and newspapers in British Isles
ones.073 = 073 - Journalism and newspapers in Germany
ones.074 = 074 - Journalism and newspapers in France and Monaco
ones.075 = 075 - Journalism and newspapers in Italy
ones.076 = 076 - Journalism and newspapers in Spain
ones.077 = 077 - Journalism and newspapers in Russia
ones.078 = 078 - Journalism and newspapers in Scandinavia
ones.079 = 079 - Newspapers in other geographic areas
ones.080 = 080 - General collections
ones.081 = 081 - General collections in American English
ones.082 = 082 - General collections in English
ones.083 = 083 - General collections in other Germanic languages
ones.084 = 084 - General collections in French, Occitan, Catalan
ones.085 = 085 - Collections in Italian, Romanian & related languages
ones.086 = 086 - Collections in Spanish, Portuguese, Galician
ones.087 = 087 - General collections in Slavic languages
ones.088 = 088 - General collections in Scandinavian languages
ones.089 = 089 - General collections in other languages
ones.090 = 090 - Manuscripts, rare books
ones.091 = 091 - Manuscripts
ones.092 = 092 - Block books
ones.093 = 093 - Incunabula
ones.094 = 094 - Printed books
ones.095 = 095 - Books notable for bindings
ones.096 = 096 - Books notable for illustrations and materials
ones.097 = 097 - Books notable for ownership or origin
ones.098 = 098 - Prohibited works, forgeries, hoaxes
ones.099 = 099 - Books notable for format
ones.100 = 100 - Philosophy & psychology
ones.101 = 101 - Theory of philosophy
ones.102 = 102 - Miscellany of philosophy
ones.103 = 103 - Dictionaries & encyclopedias
ones.104 = 104 - [Unassigned]
ones.105 = 105 - Serial publications of philosophy
ones.106 = 106 - Organizations & management
ones.107 = 107 - Education, research & related topics
ones.108 = 108 - Groups of people
ones.109 = 109 - History and collected biography
ones.110 = 110 - Metaphysics
ones.111 = 111 - Ontology
ones.112 = 112 - [Unassigned]
ones.113 = 113 - Cosmology (Philosophy of nature)
ones.114 = 114 - Space
ones.115 = 115 - Time
ones.116 = 116 - Change
ones.117 = 117 - Structure
ones.118 = 118 - Force and energy
ones.119 = 119 - Number and quantity
ones.120 = 120 - Epistemology, causation, humankind
ones.121 = 121 - Epistemology (Theory of knowledge)
ones.122 = 122 - Causation
ones.123 = 123 - Determinism and indeterminism
ones.124 = 124 - Teleology
ones.125 = 125 - [Unassigned]
ones.126 = 126 - The self
ones.127 = 127 - The unconscious and the subconscious
ones.128 = 128 - Humankind
ones.129 = 129 - Origin and destiny of individual souls
ones.130 = 130 - Parapsychology and occultism
ones.131 = 131 - Parapsychological and occult methods
ones.132 = 132 - [Unassigned]
ones.133 = 133 - Specific topics in parapsychology & occultism
ones.134 = 134 - [Unassigned]
ones.135 = 135 - Dreams and mysteries
ones.136 = 136 - [Unassigned]
ones.137 = 137 - Divinatory graphology
ones.138 = 138 - Physiognomy
ones.139 = 139 - Phrenology
ones.140 = 140 - Specific philosophical schools
ones.141 = 141 - Idealism and related systems
ones.142 = 142 - Critical philosophy
ones.143 = 143 - Bergsonism and intuitionism
ones.144 = 144 - Humanism and related systems
ones.145 = 145 - Sensationalism
ones.146 = 146 - Naturalism and related systems
ones.147 = 147 - Pantheism and related systems
ones.148 = 148 - Dogmatism, eclecticism, liberalism, etc.
ones.149 = 149 - Other philosophical systems and doctrines
ones.150 = 150 - Psychology
ones.151 = 151 - [Unassigned]
ones.152 = 152 - Perception, movement, emotions & drives
ones.153 = 153 - Conscious mental processes & intelligence
ones.154 = 154 - Subconscious & altered states
ones.155 = 155 - Differential & developmental psychology
ones.156 = 156 - Comparative psychology
ones.157 = 157 - [Unassigned]
ones.158 = 158 - Applied psychology
ones.159 = 159 - [Unassigned]
ones.160 = 160 - Philosophical logic
ones.161 = 161 - Induction
ones.162 = 162 - Deduction
ones.163 = 163 - [Unassigned]
ones.164 = 164 - [Unassigned]
ones.165 = 165 - Fallacies and sources of error
ones.166 = 166 - Syllogisms
ones.167 = 167 - Hypotheses
ones.168 = 168 - Argument and persuasion
ones.169 = 169 - Analogy
ones.170 = 170 - Ethics (Moral philosophy)
ones.171 = 171 - Ethical systems
ones.172 = 172 - Political ethics
ones.173 = 173 - Ethics of family relationships
ones.174 = 174 - Occupational ethics
ones.175 = 175 - Ethics of recreation & leisure
ones.176 = 176 - Ethics of sex and reproduction
ones.177 = 177 - Ethics of social relations
ones.178 = 178 - Ethics of consumption
ones.179 = 179 - Other ethical norms
ones.180 = 180 - Ancient, medieval, eastern philosophy
ones.181 = 181 - Eastern philosophy
ones.182 = 182 - Pre-Socratic Greek philosophies
ones.183 = 183 - Sophistic, Socratic, related philosophies
ones.184 = 184 - Platonic philosophy
ones.185 = 185 - Aristotelian philosophy
ones.186 = 186 - Skeptic and Neoplatonic philosophies
ones.187 = 187 - Epicurean philosophy
ones.188 = 188 - Stoic philosophy
ones.189 = 189 - Medieval western philosophy
ones.190 = 190 - Modern western philosophy
ones.191 = 191 - Philosophy of United States and Canada
ones.192 = 192 - Philosophy of British Isles
ones.193 = 193 - Philosophy of Germany and Austria
ones.194 = 194 - Philosophy of France
ones.195 = 195 - Philosophy of Italy
ones.196 = 196 - Philosophy of Spain and Portugal
ones.197 = 197 - Philosophy of Russia
ones.198 = 198 - Philosophy of Scandinavia and Finland
ones.199 = 199 - Philosophy of other geographic areas
ones.200 = 200 - Religion
ones.201 = 201 - Religious mythology & social theology
ones.202 = 202 - Doctrines
ones.203 = 203 - Public worship and other practices
ones.204 = 204 - Religious experience, life, practice
ones.205 = 205 - Religious ethics
ones.206 = 206 - Leaders and organization
ones.207 = 207 - Missions and religious education
ones.208 = 208 - Sources
ones.209 = 209 - Sects and reform movements
ones.210 = 210 - Philosophy and theory of religion
ones.211 = 211 - Concepts of God
ones.212 = 212 - Existence, knowability & attributes of God
ones.213 = 213 - Creation
ones.214 = 214 - Theodicy
ones.215 = 215 - Science and religion
ones.216 = 216 - [Unassigned]
ones.217 = 217 - [Unassigned]
ones.218 = 218 - Humankind
ones.219 = 219 - [Unassigned]
ones.220 = 220 - Bible
ones.221 = 221 - Old Testament (Tanakh)
ones.222 = 222 - Historical books of Old Testament
ones.223 = 223 - Poetic books of Old Testament
ones.224 = 224 - Prophetic books of Old Testament
ones.225 = 225 - New Testament
ones.226 = 226 - Gospels and Acts
ones.227 = 227 - Epistles
ones.228 = 228 - Revelation (Apocalypse)
ones.229 = 229 - Apocrypha and pseudepigrapha
ones.230 = 230 - Christianity
ones.231 = 231 - God
ones.232 = 232 - Jesus Christ and his family
ones.233 = 233 - Humankind
ones.234 = 234 - Salvation and grace
ones.235 = 235 - Spiritual beings
ones.236 = 236 - Eschatology
ones.237 = 237 - [Unassigned]
ones.238 = 238 - Creeds & catechisms
ones.239 = 239 - Apologetics and polemics
ones.240 = 240 - Christian moral and devotional theology
ones.241 = 241 - Christian ethics
ones.242 = 242 - Devotional literature
ones.243 = 243 - Evangelistic writings for individuals
ones.244 = 244 - [Unassigned]
ones.245 = 245 - [Unassigned]
ones.246 = 246 - Use of art in Christianity
ones.247 = 247 - Church furnishings and related articles
ones.248 = 248 - Christian experience, practice, life
ones.249 = 249 - Christian observances in family life
ones.250 = 250 - Local Christian church and religious orders
ones.251 = 251 - Preaching (Homiletics)
ones.252 = 252 - Texts of sermons
ones.253 = 253 - Pastoral work (Pastoral theology)
ones.254 = 254 - Local church administration
ones.255 = 255 - Religious congregations and orders
ones.256 = 256 - [Unassigned]
ones.257 = 257 - [Unassigned]
ones.258 = 258 - [Unassigned]
ones.259 = 259 - Pastoral care of families & kinds of persons
ones.260 = 260 - Christian social and ecclesiastical theology
ones.261 = 261 - Social theology and interreligious relations
ones.262 = 262 - Ecclesiology
ones.263 = 263 - Days, times, places of religious observance
ones.264 = 264 - Public worship
ones.265 = 265 - Sacraments, other rites and acts
ones.266 = 266 - Missions
ones.267 = 267 - Associations for religious work
ones.268 = 268 - Religious education
ones.269 = 269 - Spiritual renewal
ones.270 = 270 - History, geographic treatment, biography
ones.271 = 271 - Religious orders in church history
ones.272 = 272 - Persecutions in general church history
ones.273 = 273 - Doctrinal controversies & heresies
ones.274 = 274 - History of Christianity in Europe
ones.275 = 275 - History of Christianity in Asia
ones.276 = 276 - History of Christianity in Africa
ones.277 = 277 - History of Christianity in North America
ones.278 = 278 - History of Christianity in South America
ones.279 = 279 - History of Christianity in other areas
ones.280 = 280 - Denominations & sects of Christian church
ones.281 = 281 - Early church and Eastern churches
ones.282 = 282 - Roman Catholic Church
ones.283 = 283 - Anglican churches
ones.284 = 284 - Protestants of Continental origin
ones.285 = 285 - Presbyterian, Reformed & Congregational
ones.286 = 286 - Baptist, Restoration & Adventist
ones.287 = 287 - Methodist and related churches
ones.288 = 288 - [Unassigned]
ones.289 = 289 - Other denominations and sects
ones.290 = 290 - Other religions
ones.291 = 291 - [Unassigned]
ones.292 = 292 - Classical religion (Greek & Roman religion)
ones.293 = 293 - Germanic religion
ones.294 = 294 - Religions of Indic origin
ones.295 = 295 - Zoroastrianism (Mazdaism, Parseeism)
ones.296 = 296 - Judaism
ones.297 = 297 - Islam, Babism & Bahai Faith
ones.298 = 298 - (Optional number)
ones.299 = 299 - Religions not provided for elsewhere
ones.300 = 300 - Social sciences
ones.301 = 301 - Sociology and anthropology
ones.302 = 302 - Social interaction
ones.303 = 303 - Social processes
ones.304 = 304 - Factors affecting social behavior
ones.305 = 305 - Groups of people
ones.306 = 306 - Culture and institutions
ones.307 = 307 - Communities
ones.308 = 308 - [Unassigned]
ones.309 = 309 - [Unassigned]
ones.310 = 310 - Collections of general statistics
ones.311 = 311 - [Unassigned]
ones.312 = 312 - [Unassigned]
ones.313 = 313 - [Unassigned]
ones.314 = 314 - General statistics of Europe
ones.315 = 315 - General statistics of Asia
ones.316 = 316 - General statistics of Africa
ones.317 = 317 - General statistics of North America
ones.318 = 318 - General statistics of South America
ones.319 = 319 - General statistics of other areas
ones.320 = 320 - Political science (Politics and government)
ones.321 = 321 - Systems of governments and states
ones.322 = 322 - Relation of state to organized groups
ones.323 = 323 - Civil and political rights
ones.324 = 324 - The political process
ones.325 = 325 - International migration and colonization
ones.326 = 326 - Slavery and emancipation
ones.327 = 327 - International relations
ones.328 = 328 - The legislative process
ones.329 = 329 - [Unassigned]
ones.330 = 330 - Economics
ones.331 = 331 - Labor economics
ones.332 = 332 - Financial economics
ones.333 = 333 - Economics of land and energy
ones.334 = 334 - Cooperatives
ones.335 = 335 - Socialism and related systems
ones.336 = 336 - Public finance
ones.337 = 337 - International economics
ones.338 = 338 - Production
ones.339 = 339 - Macroeconomics and related topics
ones.340 = 340 - Law
ones.341 = 341 - Law of nations
ones.342 = 342 - Constitutional and administrative law
ones.343 = 343 - Military, tax, trade & industrial law
ones.344 = 344 - Labor, social, education & cultural law
ones.345 = 345 - Criminal law
ones.346 = 346 - Private law
ones.347 = 347 - Procedure and courts
ones.348 = 348 - Laws, regulations, cases
ones.349 = 349 - Law of specific jurisdictions & areas
ones.350 = 350 - Public administration and military science
ones.351 = 351 - Public administration
ones.352 = 352 - General considerations of public administration
ones.353 = 353 - Specific fields of public administration
ones.354 = 354 - Administration of economy & environment
ones.355 = 355 - Military science
ones.356 = 356 - Foot forces & warfare
ones.357 = 357 - Mounted forces & warfare
ones.358 = 358 - Air & other specialized forces
ones.359 = 359 - Sea forces and warfare
ones.360 = 360 - Social problems and services; associations
ones.361 = 361 - Social problems and services
ones.362 = 362 - Social problems and services to groups
ones.363 = 363 - Other social problems and services
ones.364 = 364 - Criminology
ones.365 = 365 - Penal and related institutions
ones.366 = 366 - Secret associations and societies
ones.367 = 367 - General clubs
ones.368 = 368 - Insurance
ones.369 = 369 - Associations
ones.370 = 370 - Education
ones.371 = 371 - Schools and their activities; special education
ones.372 = 372 - Primary education (Elementary education)
ones.373 = 373 - Secondary education
ones.374 = 374 - Adult education
ones.375 = 375 - Curricula
ones.376 = 376 - [Unassigned]
ones.377 = 377 - [Unassigned]
ones.378 = 378 - Higher education (Tertiary education)
ones.379 = 379 - Public policy issues in education
ones.380 = 380 - Commerce, communications, transportation
ones.381 = 381 - Commerce (Trade)
ones.382 = 382 - International commerce (Foreign trade)
ones.383 = 383 - Postal communication
ones.384 = 384 - Communications
ones.385 = 385 - Railroad transportation
ones.386 = 386 - Inland waterway and ferry transportation
ones.387 = 387 - Water, air, space transportation
ones.388 = 388 - Transportation
ones.389 = 389 - Metrology and standardization
ones.390 = 390 - Customs, etiquette, folklore
ones.391 = 391 - Costume and personal appearance
ones.392 = 392 - Customs of life cycle and domestic life
ones.393 = 393 - Death customs
ones.394 = 394 - General customs
ones.395 = 395 - Etiquette (Manners)
ones.396 = 396 - [Unassigned]
ones.397 = 397 - [Unassigned]
ones.398 = 398 - Folklore
ones.399 = 399 - Customs of war and diplomacy
ones.400 = 400 - Language
ones.401 = 401 - Philosophy and theory
ones.402 = 402 - Miscellany
ones.403 = 403 - Dictionaries & encyclopedias
ones.404 = 404 - Special topics of language
ones.405 = 405 - Serial publications
ones.406 = 406 - Organizations and management
ones.407 = 407 - Education, research, related topics
ones.408 = 408 - Groups of people
ones.409 = 409 - Geographic treatment and biography
ones.410 = 410 - Linguistics
ones.411 = 411 - Writing systems
ones.412 = 412 - Etymology
ones.413 = 413 - Dictionaries
ones.414 = 414 - Phonology & phonetics
ones.415 = 415 - Grammar
ones.416 = 416 - [Unassigned]
ones.417 = 417 - Dialectology and historical linguistics
ones.418 = 418 - Applied linguistics
ones.419 = 419 - Sign languages
ones.420 = 420 - English & Old English (Anglo-Saxon)
ones.421 = 421 - Writing system, phonology, phonetics
ones.422 = 422 - Etymology of standard English
ones.423 = 423 - Dictionaries of standard English
ones.424 = 424 - [Unassigned]
ones.425 = 425 - Grammar of standard English
ones.426 = 426 - [Unassigned]
ones.427 = 427 - English language variations
ones.428 = 428 - Standard English usage
ones.429 = 429 - Old English (Anglo-Saxon)
ones.430 = 430 - German and related languages
ones.431 = 431 - Writing system, phonology, phonetics
ones.432 = 432 - Etymology of standard German
ones.433 = 433 - Dictionaries of standard German
ones.434 = 434 - [Unassigned]
ones.435 = 435 - Grammar of standard German
ones.436 = 436 - [Unassigned]
ones.437 = 437 - German language variations
ones.438 = 438 - Standard German usage
ones.439 = 439 - Other Germanic languages
ones.440 = 440 - French & related Romance languages
ones.441 = 441 - Writing system, phonology, phonetics
ones.442 = 442 - Etymology of standard French
ones.443 = 443 - Dictionaries of standard French
ones.444 = 444 - [Unassigned]
ones.445 = 445 - Grammar of standard French
ones.446 = 446 - [Unassigned]
ones.447 = 447 - French language variations
ones.448 = 448 - Standard French usage
ones.449 = 449 - Occitan, Catalan, Franco-Provençal
ones.450 = 450 - Italian, Romanian & related languages
ones.451 = 451 - Writing system, phonology, phonetics
ones.452 = 452 - Etymology of standard Italian
ones.453 = 453 - Dictionaries of standard Italian
ones.454 = 454 - [Unassigned]
ones.455 = 455 - Grammar of standard Italian
ones.456 = 456 - [Unassigned]
ones.457 = 457 - Italian language variations
ones.458 = 458 - Standard Italian usage
ones.459 = 459 - Romanian, Rhaetian, Sardinian, Corsican
ones.460 = 460 - Spanish, Portuguese, Galician
ones.461 = 461 - Writing system, phonology, phonetics
ones.462 = 462 - Etymology of standard Spanish
ones.463 = 463 - Dictionaries of standard Spanish
ones.464 = 464 - [Unassigned]
ones.465 = 465 - Grammarof standard Spanish
ones.466 = 466 - [Unassigned]
ones.467 = 467 - Spanish language variations
ones.468 = 468 - Standard Spanish usage
ones.469 = 469 - Portuguese
ones.470 = 470 - Latin and related Italic languages
ones.471 = 471 - Writing system, phonology, phonetics
ones.472 = 472 - Etymology of classical Latin
ones.473 = 473 - Dictionaries of classical Latin
ones.474 = 474 - [Unassigned]
ones.475 = 475 - Grammar of classical Latin
ones.476 = 476 - [Unassigned]
ones.477 = 477 - Old, postclassical, Vulgar Latin
ones.478 = 478 - Classical Latin usage
ones.479 = 479 - Other Italic languages
ones.480 = 480 - Classical Greek; Hellenic languages
ones.481 = 481 - Writing system, phonology, phonetics
ones.482 = 482 - Etymology of classical Greek
ones.483 = 483 - Dictionaries of classical Greek
ones.484 = 484 - [Unassigned]
ones.485 = 485 - Grammar of classical Greek
ones.486 = 486 - [Unassigned]
ones.487 = 487 - Preclassical and postclassical Greek
ones.488 = 488 - Classical Greek usage
ones.489 = 489 - Other Hellenic languages
ones.490 = 490 - Other languages
ones.491 = 491 - East Indo-European and Celtic languages
ones.492 = 492 - Afro-Asiatic languages
ones.493 = 493 - Non-Semitic Afro-Asiatic languages
ones.494 = 494 - Altaic, Uralic, Hyperborean & Dravidian
ones.495 = 495 - Languages of east and southeast Asia
ones.496 = 496 - African languages
ones.497 = 497 - North American native languages
ones.498 = 498 - South American native languages
ones.499 = 499 - Austronesian & other languages
ones.500 = 500 - Natural sciences and mathematics
ones.501 = 501 - Philosophy and theory
ones.502 = 502 - Miscellany
ones.503 = 503 - Dictionaries & encyclopedias
ones.504 = 504 - [Unassigned]
ones.505 = 505 - Serial publications
ones.506 = 506 - Organizations and management
ones.507 = 507 - Education, research, related topics
ones.508 = 508 - Natural history
ones.509 = 509 - History, geographic treatment, biography
ones.510 = 510 - Mathematics
ones.511 = 511 - General principles of mathematics
ones.512 = 512 - Algebra
ones.513 = 513 - Arithmetic
ones.514 = 514 - Topology
ones.515 = 515 - Analysis
ones.516 = 516 - Geometry
ones.517 = 517 - [Unassigned]
ones.518 = 518 - Numerical analysis
ones.519 = 519 - Probabilities and applied mathematics
ones.520 = 520 - Astronomy and allied sciences
ones.521 = 521 - Celestial mechanics
ones.522 = 522 - Techniques, equipment & materials
ones.523 = 523 - Specific celestial bodies and phenomena
ones.524 = 524 - [Unassigned]
ones.525 = 525 - Earth (Astronomical geography)
ones.526 = 526 - Mathematical geography
ones.527 = 527 - Celestial navigation
ones.528 = 528 - Ephemerides
ones.529 = 529 - Chronology
ones.530 = 530 - Physics
ones.531 = 531 - Classical mechanics
ones.532 = 532 - Fluid mechanics
ones.533 = 533 - Pneumatics (Gas mechanics)
ones.534 = 534 - Sound and related vibrations
ones.535 = 535 - Light and related radiation
ones.536 = 536 - Heat
ones.537 = 537 - Electricity and electronics
ones.538 = 538 - Magnetism
ones.539 = 539 - Modern physics
ones.540 = 540 - Chemistry and allied sciences
ones.541 = 541 - Physical chemistry
ones.542 = 542 - Techniques, equipment & materials
ones.543 = 543 - Analytical chemistry
ones.544 = 544 - [Unassigned]
ones.545 = 545 - [Unassigned]
ones.546 = 546 - Inorganic chemistry
ones.547 = 547 - Organic chemistry
ones.548 = 548 - Crystallography
ones.549 = 549 - Mineralogy
ones.550 = 550 - Earth sciences
ones.551 = 551 - Geology, hydrology, meteorology
ones.552 = 552 - Petrology
ones.553 = 553 - Economic geology
ones.554 = 554 - Earth sciences of Europe
ones.555 = 555 - Earth sciences of Asia
ones.556 = 556 - Earth sciences of Africa
ones.557 = 557 - Earth sciences of North America
ones.558 = 558 - Earth sciences of South America
ones.559 = 559 - Earth sciences of other areas
ones.560 = 560 - Paleontology
ones.561 = 561 - Paleobotany; fossil microorganisms
ones.562 = 562 - Fossil invertebrates
ones.563 = 563 - Fossil marine & seashore invertebrates
ones.564 = 564 - Fossil Mollucas & Molluscoidea
ones.565 = 565 - Fossil Arthropoda
ones.566 = 566 - Fossil Chordata
ones.567 = 567 - Fossil cold-blooded vertebrates
ones.568 = 568 - Fossil Aves (birds)
ones.569 = 569 - Fossil Mammalia
ones.570 = 570 - Biology
ones.571 = 571 - Physiology & related subjects
ones.572 = 572 - Biochemistry
ones.573 = 573 - Specific physiological systems in animals
ones.574 = 574 - [Unassigned]
ones.575 = 575 - Specific parts of & systems in plants
ones.576 = 576 - Genetics and evolution
ones.577 = 577 - Ecology
ones.578 = 578 - Natural history of organisms
ones.579 = 579 - Microorganisms, fungi & algae
ones.580 = 580 - Plants
ones.581 = 581 - Specific topics in natural history of plants
ones.582 = 582 - Plants noted for characteristics & flowers
ones.583 = 583 - Eudicots and Ceratophyllales
ones.584 = 584 - Monocots, Chloranthales, magnoliids
ones.585 = 585 - Pinophyta
ones.586 = 586 - Cryptogamia
ones.587 = 587 - Pteridophyta
ones.588 = 588 - Bryophyta
ones.589 = 589 - [Unassigned]
ones.590 = 590 - Animals
ones.591 = 591 - Specific topics in natural history of animals
ones.592 = 592 - Invertebrates
ones.593 = 593 - Marine & seashore invertebrates
ones.594 = 594 - Mollusca and Molluscoidea
ones.595 = 595 - Arthropoda
ones.596 = 596 - Chordata
ones.597 = 597 - Cold-blooded vertebrates
ones.598 = 598 - Aves
ones.599 = 599 - Mammalia
ones.600 = 600 - Technology (Applied sciences)
ones.601 = 601 - Philosophy and theory
ones.602 = 602 - Miscellany
ones.603 = 603 - Dictionaries, encyclopedias, concordances
ones.604 = 604 - Technical drawing, hazardous materials
ones.605 = 605 - Serial publications
ones.606 = 606 - Organizations
ones.607 = 607 - Education, research, related topics
ones.608 = 608 - Patents
ones.609 = 609 - History, geographic treatment, biography
ones.610 = 610 - Medicine and health
ones.611 = 611 - Human anatomy, cytology, histology
ones.612 = 612 - Human physiology
ones.613 = 613 - Personal health & safety
ones.614 = 614 - Forensic medicine; incidence of disease
ones.615 = 615 - Pharmacology and therapeutics
ones.616 = 616 - Diseases
ones.617 = 617 - Surgery & related medical specialties
ones.618 = 618 - Gynecology, obstetrics, pediatrics, geriatrics
ones.619 = 619 - [Unassigned]
ones.620 = 620 - Engineering and allied operations
ones.621 = 621 - Applied physics
ones.622 = 622 - Mining and related operations
ones.623 = 623 - Military and nautical engineering
ones.624 = 624 - Civil engineering
ones.625 = 625 - Engineering of railroads and roads
ones.626 = 626 - [Unassigned]
ones.627 = 627 - Hydraulic engineering
ones.628 = 628 - Sanitary engineering
ones.629 = 629 - Other branches of engineering
ones.630 = 630 - Agriculture and related technologies
ones.631 = 631 - Techniques, equipment & materials
ones.632 = 632 - Plant injuries, diseases, pests
ones.633 = 633 - Field and plantation crops
ones.634 = 634 - Orchards, fruits, forestry
ones.635 = 635 - Garden crops (Horticulture)
ones.636 = 636 - Animal husbandry
ones.637 = 637 - Processing dairy and related products
ones.638 = 638 - Insect culture
ones.639 = 639 - Hunting, fishing & conservation
ones.640 = 640 - Home and family management
ones.641 = 641 - Food and drink
ones.642 = 642 - Meals and table service
ones.643 = 643 - Housing and household equipment
ones.644 = 644 - Household utilities
ones.645 = 645 - Household furnishings
ones.646 = 646 - Sewing, clothing & personal living
ones.647 = 647 - Management of public households
ones.648 = 648 - Housekeeping
ones.649 = 649 - Child rearing & home care of people
ones.650 = 650 - Management and auxiliary services
ones.651 = 651 - Office services
ones.652 = 652 - Processes of written communication
ones.653 = 653 - Shorthand
ones.654 = 654 - [Unassigned]
ones.655 = 655 - [Unassigned]
ones.656 = 656 - [Unassigned]
ones.657 = 657 - Accounting
ones.658 = 658 - General management
ones.659 = 659 - Advertising and public relations
ones.660 = 660 - Chemical engineering
ones.661 = 661 - Technology of industrial chemicals
ones.662 = 662 - Explosives, fuels & related products
ones.663 = 663 - Beverage technology
ones.664 = 664 - Food technology
ones.665 = 665 - Industrial oils, fats, waxes & gases
ones.666 = 666 - Ceramic & allied technologies
ones.667 = 667 - Cleaning, color & coating technologies
ones.668 = 668 - Technology of other organic products
ones.669 = 669 - Metallurgy
ones.670 = 670 - Manufacturing
ones.671 = 671 - Metalworking & primary metal products
ones.672 = 672 - Iron, steel, other iron alloys
ones.673 = 673 - Nonferrous metals
ones.674 = 674 - Lumber processing, wood products, cork
ones.675 = 675 - Leather and fur processing
ones.676 = 676 - Pulp and paper technology
ones.677 = 677 - Textiles
ones.678 = 678 - Elastomers and elastomer products
ones.679 = 679 - Other products of specific materials
ones.680 = 680 - Manufacture of products for specific uses
ones.681 = 681 - Precision instruments and other devices
ones.682 = 682 - Small forge work (Blacksmithing)
ones.683 = 683 - Hardware & household appliances
ones.684 = 684 - Furnishings and home workshops
ones.685 = 685 - Leather, fur goods & related products
ones.686 = 686 - Printing and related activities
ones.687 = 687 - Clothing and accessories
ones.688 = 688 - Other final products & packaging
ones.689 = 689 - [Unassigned]
ones.690 = 690 - Construction of buildings
ones.691 = 691 - Building materials
ones.692 = 692 - Auxiliary construction practices
ones.693 = 693 - Specific materials & purposes
ones.694 = 694 - Wood construction
ones.695 = 695 - Roof covering
ones.696 = 696 - Utilities
ones.697 = 697 - Heating, ventilating & air-conditioning
ones.698 = 698 - Detail finishing
ones.699 = 699 - [Unassigned]
ones.700 = 700 - The arts
ones.701 = 701 - Philosophy of fine & decorative arts
ones.702 = 702 - Miscellany of fine and decorative arts
ones.703 = 703 - Dictionaries of fine & decorative arts
ones.704 = 704 - Special topics in fine and decorative arts
ones.705 = 705 - Serial publications of fine & decorative arts
ones.706 = 706 - Organizations & management
ones.707 = 707 - Education, research & related topics
ones.708 = 708 - Galleries, museums & private collections
ones.709 = 709 - History, geographic treatment, biography
ones.710 = 710 - Area planning and landscape architecture
ones.711 = 711 - Area planning (Civic art)
ones.712 = 712 - Landscape architecture (Landscape design)
ones.713 = 713 - Landscape architecture of trafficways
ones.714 = 714 - Water features in landscape architecture
ones.715 = 715 - Woody plants in landscape architecture
ones.716 = 716 - Herbaceous plants
ones.717 = 717 - Structures in landscape architecture
ones.718 = 718 - Landscape design of cemeteries
ones.719 = 719 - Natural landscapes
ones.720 = 720 - Architecture
ones.721 = 721 - Architectural materials and structure
ones.722 = 722 - Architecture from earliest times to ca. 300
ones.723 = 723 - Architecture from ca. 300 to 1399
ones.724 = 724 - Architecture from 1400
ones.725 = 725 - Public structures
ones.726 = 726 - Buildings for religious and related purposes
ones.727 = 727 - Buildings for education & research
ones.728 = 728 - Residential and related buildings
ones.729 = 729 - Design & decoration
ones.730 = 730 - Sculpture and related arts
ones.731 = 731 - Processes, forms, subjects of sculpture
ones.732 = 732 - Sculpture to ca. 500
ones.733 = 733 - Greek, Etruscan, Roman sculpture
ones.734 = 734 - Sculpture from ca. 500 to 1399
ones.735 = 735 - Sculpture from 1400
ones.736 = 736 - Carving and carvings
ones.737 = 737 - Numismatics and sigillography
ones.738 = 738 - Ceramic arts
ones.739 = 739 - Art metalwork
ones.740 = 740 - Graphic arts and decorative arts
ones.741 = 741 - Drawing and drawings
ones.742 = 742 - Perspective in drawing
ones.743 = 743 - Drawing and drawings by subject
ones.744 = 744 - [Unassigned]
ones.745 = 745 - Decorative arts
ones.746 = 746 - Textile arts
ones.747 = 747 - Interior decoration
ones.748 = 748 - Glass
ones.749 = 749 - Furniture and accessories
ones.750 = 750 - Painting and paintings
ones.751 = 751 - Techniques, equipment, materials & forms
ones.752 = 752 - Color
ones.753 = 753 - Symbolism, allegory, mythology, legend
ones.754 = 754 - Genre paintings
ones.755 = 755 - Religion
ones.756 = 756 - [Unassigned]
ones.757 = 757 - Human figures
ones.758 = 758 - Nature, cityscapes & other subjects
ones.759 = 759 - History, geographic treatment, biography
ones.760 = 760 - Printmaking & prints
ones.761 = 761 - Relief processes (Block printing)
ones.762 = 762 - [Unassigned]
ones.763 = 763 - Lithographic processes
ones.764 = 764 - Chromolithography and serigraphy
ones.765 = 765 - Metal engraving
ones.766 = 766 - Mezzotinting, aquatinting, related processes
ones.767 = 767 - Etching and drypoint
ones.768 = 768 - [Unassigned]
ones.769 = 769 - Prints
ones.770 = 770 - Photography, computer art, cinematography
ones.771 = 771 - Techniques, equipment & materials
ones.772 = 772 - Metallic salt processes
ones.773 = 773 - Pigment processes of printing
ones.774 = 774 - Holography
ones.775 = 775 - [Unassigned]
ones.776 = 776 - Computer art (Digital art)
ones.777 = 777 - Cinematography and videography
ones.778 = 778 - Specific fields & kinds of photography
ones.779 = 779 - Photographic images
ones.780 = 780 - Music
ones.781 = 781 - General principles and musical forms
ones.782 = 782 - Vocal music
ones.783 = 783 - Music for single voices
ones.784 = 784 - Instruments & instrumental ensembles
ones.785 = 785 - Ensembles with one instrument per part
ones.786 = 786 - Keyboard & other instruments
ones.787 = 787 - Stringed instruments (Chordophones)
ones.788 = 788 - Wind instruments (Aerophones)
ones.789 = 789 - (Optional number)
ones.790 = 790 - Recreational and performing arts
ones.791 = 791 - Public performances
ones.792 = 792 - Stage presentations
ones.793 = 793 - Indoor games and amusements
ones.794 = 794 - Indoor games of skill
ones.795 = 795 - Games of chance
ones.796 = 796 - Athletic and outdoor sports and games
ones.797 = 797 - Aquatic and air sports
ones.798 = 798 - Equestrian sports and animal racing
ones.799 = 799 - Fishing, hunting, shooting
ones.800 = 800 - Literature (Belles-lettres) and rhetoric
ones.801 = 801 - Philosophy and theory
ones.802 = 802 - Miscellany
ones.803 = 803 - Dictionaries & encyclopedias
ones.804 = 804 - [Unassigned]
ones.805 = 805 - Serial publications
ones.806 = 806 - Organizations and management
ones.807 = 807 - Education, research, related topics
ones.808 = 808 - Rhetoric & collections of literature
ones.809 = 809 - History, description & criticism
ones.810 = 810 - American literature in English
ones.811 = 811 - American poetry in English
ones.812 = 812 - American drama in English
ones.813 = 813 - American fiction in English
ones.814 = 814 - American essays in English
ones.815 = 815 - American speeches in English
ones.816 = 816 - American letters in English
ones.817 = 817 - American humor and satire in English
ones.818 = 818 - American miscellaneous writings
ones.819 = 819 - (Optional number)
ones.820 = 820 - English & Old English literatures
ones.821 = 821 - English poetry
ones.822 = 822 - English drama
ones.823 = 823 - English fiction
ones.824 = 824 - English essays
ones.825 = 825 - English speeches
ones.826 = 826 - English letters
ones.827 = 827 - English humor and satire
ones.828 = 828 - English miscellaneous writings
ones.829 = 829 - Old English (Anglo-Saxon) literature
ones.830 = 830 - Literatures of Germanic languages
ones.831 = 831 - German poetry
ones.832 = 832 - German drama
ones.833 = 833 - German fiction
ones.834 = 834 - German essays
ones.835 = 835 - German speeches
ones.836 = 836 - German letters
ones.837 = 837 - German humor and satire
ones.838 = 838 - German miscellaneous writings
ones.839 = 839 - Other Germanic literatures
ones.840 = 840 - Literatures of Romance languages
ones.841 = 841 - French poetry
ones.842 = 842 - French drama
ones.843 = 843 - French fiction
ones.844 = 844 - French essays
ones.845 = 845 - French speeches
ones.846 = 846 - French letters
ones.847 = 847 - French humor and satire
ones.848 = 848 - French miscellaneous writings
ones.849 = 849 - Occitan, Catalan, Franco-Provençal
ones.850 = 850 - Italian, Romanian & related literatures
ones.851 = 851 - Italian poetry
ones.852 = 852 - Italian drama
ones.853 = 853 - Italian fiction
ones.854 = 854 - Italian essays
ones.855 = 855 - Italian speeches
ones.856 = 856 - Italian letters
ones.857 = 857 - Italian humor and satire
ones.858 = 858 - Italian miscellaneous writings
ones.859 = 859 - Romanian & related literatures
ones.860 = 860 - Spanish & Portuguese literatures
ones.861 = 861 - Spanish poetry
ones.862 = 862 - Spanish drama
ones.863 = 863 - Spanish fiction
ones.864 = 864 - Spanish essays
ones.865 = 865 - Spanish speeches
ones.866 = 866 - Spanish letters
ones.867 = 867 - Spanish humor and satire
ones.868 = 868 - Spanish miscellaneous writings
ones.869 = 869 - Portuguese and Galician literatures
ones.870 = 870 - Latin & related Italic literatures
ones.871 = 871 - Latin poetry
ones.872 = 872 - Latin dramatic poetry and drama
ones.873 = 873 - Latin epic poetry and fiction
ones.874 = 874 - Latin lyric poetry
ones.875 = 875 - Latin speeches
ones.876 = 876 - Latin letters
ones.877 = 877 - Latin humor and satire
ones.878 = 878 - Latin miscellaneous writings
ones.879 = 879 - Literatures of other Italic languages
ones.880 = 880 - Classical Greek & Hellenic literatures
ones.881 = 881 - Classical Greek poetry
ones.882 = 882 - Classical Greek dramatic poetry & drama
ones.883 = 883 - Classical Greek epic poetry and fiction
ones.884 = 884 - Classical Greek lyric poetry
ones.885 = 885 - Classical Greek speeches
ones.886 = 886 - Classical Greek letters
ones.887 = 887 - Classical Greek humor and satire
ones.888 = 888 - Classical Greek miscellaneous writings
ones.889 = 889 - Modern Greek literature
ones.890 = 890 - Literatures of other languages
ones.891 = 891 - East Indo-European and Celtic literatures
ones.892 = 892 - Afro-Asiatic literatures
ones.893 = 893 - Non-Semitic Afro-Asiatic literatures
ones.894 = 894 - Altaic, Uralic, Hyperborean & Dravidian
ones.895 = 895 - Literatures of East and Southeast Asia
ones.896 = 896 - African literatures
ones.897 = 897 - North American native literatures
ones.898 = 898 - South American native literatures
ones.899 = 899 - Austronesian & other literatures
ones.900 = 900 - History & geography
ones.901 = 901 - Philosophy and theory of history
ones.902 = 902 - Miscellany of history
ones.903 = 903 - Dictionaries & encyclopedias
ones.904 = 904 - Collected accounts of events
ones.905 = 905 - Serial publications of history
ones.906 = 906 - Organizations & management
ones.907 = 907 - Education, research & related topics
ones.908 = 908 - Groups of people
ones.909 = 909 - World history
ones.910 = 910 - Geography and travel
ones.911 = 911 - Historical geography
ones.912 = 912 - Maps and plans of surface of earth
ones.913 = 913 - Geography of & travel in ancient world
ones.914 = 914 - Geography of and travel in Europe
ones.915 = 915 - Geography of and travel in Asia
ones.916 = 916 - Geography of and travel in Africa
ones.917 = 917 - Geography of & travel in North America
ones.918 = 918 - Geography of & travel in South America
ones.919 = 919 - Geography of and travel in other areas
ones.920 = 920 - Biography, genealogy, insignia
ones.921 = 921 - (Optional number)
ones.922 = 922 - (Optional number)
ones.923 = 923 - (Optional number)
ones.924 = 924 - (Optional number)
ones.925 = 925 - (Optional number)
ones.926 = 926 - (Optional number)
ones.927 = 927 - (Optional number)
ones.928 = 928 - (Optional number)
ones.929 = 929 - Genealogy, names & insignia
ones.930 = 930 - History of ancient world to ca. 499
ones.931 = 931 - China to 420
ones.932 = 932 - Egypt to 640
ones.933 = 933 - Palestine to 70
ones.934 = 934 - India to 647
ones.935 = 935 - Mesopotamia & Iranian Plateau to 637
ones.936 = 936 - Europe north & west of Italy to ca. 499
ones.937 = 937 - Italy & adjacent territories to 476
ones.938 = 938 - Greece to 323
ones.939 = 939 - Other parts of ancient world
ones.940 = 940 - History of Europe
ones.941 = 941 - British Isles
ones.942 = 942 - England and Wales
ones.943 = 943 - Germany & central Europe
ones.944 = 944 - France and Monaco
ones.945 = 945 - Italy, San Marino, Vatican City, Malta
ones.946 = 946 - Spain, Andorra, Gibraltar, Portugal
ones.947 = 947 - Russia & east Europe
ones.948 = 948 - Scandinavia and Finland
ones.949 = 949 - Other parts of Europe
ones.950 = 950 - History of Asia
ones.951 = 951 - China and adjacent areas
ones.952 = 952 - Japan
ones.953 = 953 - Arabian Peninsula and adjacent areas
ones.954 = 954 - India & south Asia
ones.955 = 955 - Iran
ones.956 = 956 - Middle East (Near East)
ones.957 = 957 - Siberia (Asiatic Russia)
ones.958 = 958 - Central Asia
ones.959 = 959 - Southeast Asia
ones.960 = 960 - History of Africa
ones.961 = 961 - Tunisia and Libya
ones.962 = 962 - Egypt, Sudan, South Sudan
ones.963 = 963 - Ethiopia and Eritrea
ones.964 = 964 - Morocco, Ceuta, Melilla, Western Sahara
ones.965 = 965 - Algeria
ones.966 = 966 - West Africa and offshore islands
ones.967 = 967 - Central Africa and offshore islands
ones.968 = 968 - South Africa & southern Africa
ones.969 = 969 - South Indian Ocean islands
ones.970 = 970 - History of North America
ones.971 = 971 - Canada
ones.972 = 972 - Mexico, Central America, West Indies
ones.973 = 973 - United States
ones.974 = 974 - Northeastern United States
ones.975 = 975 - Southeastern United States
ones.976 = 976 - South central United States
ones.977 = 977 - North central United States
ones.978 = 978 - Western United States
ones.979 = 979 - Great Basin & Pacific Slope region
ones.980 = 980 - History of South America
ones.981 = 981 - Brazil
ones.982 = 982 - Argentina
ones.983 = 983 - Chile
ones.984 = 984 - Bolivia
ones.985 = 985 - Peru
ones.986 = 986 - Colombia and Ecuador
ones.987 = 987 - Venezuela
ones.988 = 988 - Guiana
ones.989 = 989 - Paraguay and Uruguay
ones.990 = 990 - History of other areas
ones.991 = 991 - [Unassigned]
ones.992 = 992 - [Unassigned]
ones.993 = 993 - New Zealand
ones.994 = 994 - Australia
ones.995 = 995 - New Guinea & Melanesia
ones.996 = 996 - Polynesia & Pacific Ocean islands
ones.997 = 997 - Atlantic Ocean islands
ones.998 = 998 - Arctic islands and Antarctica
ones.999 = 999 - Extraterrestrial worlds
ones = [Unassigned]