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