| 0 | Generalities |
| 00 | Prolegomena. Fundamentals of Knowledge and Culture |
| 004 | Computer science |
| 005 | Management |
| 01 | Bibliography |
| 02 | Librarianship |
| 030 | Encyclopaedias. General Reference Works |
| 050 | Serial Publications. Periodicals |
| 06 | Organizations and Associations |
| 069 | Museums |
| 070 | Newspapers. Journalism |
| 08 | Polygraphies. Collective Works |
| 09 | Manuscripts. Rare and Remarkable Works |
| 1 | Philosophy. Psychology |
| 101 | Nature and role of Philosophy |
| 11 | Metaphysics |
| 13 | Philosophy of mind and spirit |
| 14 | Philosophical systems |
| 159.9 | Psychology |
| 16 | Logic. Epistemology. Theory of Knowledge |
| 17 | Moral Philosophy. Ethics |
| 2 | Religion. Theology |
| 21 | Prehistoric and Primitive Religions |
| 22 | Religions of The Far East |
| 23 | Religions of The Indian Subcontinent. Hinduism. Jainism. Sikhism |
| 24 | Buddhism |
| 25 | Religions of Antiquity. Minor Cults and Religions |
| 252 | Religions of Mesopotamia |
| 254 | Religions of Iran |
| 257 | Religions of Europe |
| 26 | Judaism |
| 27 | Christianity |
| 271 | Eastern church |
| 272/279 | Western Church |
| 272 | Roman Catholic church |
| 274/278 | Protestant churches |
| 28 | Islam |
| 282 | Sunnite Islam |
| 284 | Shi'ite Islam |
| 285 | Babi-Baha'i |
| 29 | Modern Spiritual Movements |
| 3 | Social Sciences |
| 304 | Social questions. Social practice. |
| 308 | Sociography. Descriptive studies of society |
| 311 | Statistics |
| 314 | Demography |
| 316 | Sociology |
| 32 | Politics |
| 321 | Forms of political organization. States as political power |
| 323 | Home affairs. Internal policy |
| 324 | Elections. Plebiscites. Referendums |
| 327 | International relations |
| 328 | Parliaments. Congresses. Representation of The people. Governments |
| 329 | Political parties and Movements |
| 33 | Economics |
| 331 | Labour. Employment. Work. Labour Economics. Organization of labour. |
| 336 | Finance |
| 338 | Economic policy. Management of The economy. Production. Services. Prices |
| 339 | Trade. Commerce. International economic relations. World economy |
| 34 | Law. Jurisprudence |
| 341 | International law |
| 342 | Public law. Constitutional law. Administrative law |
| 343 | Criminal law |
| 343.9 | Criminology |
| 347 | Civil law |
| 35 | Public Administration. Government |
| 352/354 | Levels of administration. Local, regional, central administration |
| 355/359 | Military Science |
| 36 | Safeguarding The Mental and Material Necessities of Life |
| 364 | Social Welfare |
| 368 | Insurance. Communal provision through sharing of risk |
| 37 | Education |
| 371 | Organization of educational and training system. School organization |
| 374 | Education and training out of school. Further education |
| 378 | Higher education. Universities. Academic study |
| 379.8 | Leisure |
| 39 | Ethnology. Folklore |
| 391 | Costume |
| 392 | Customs, manners, usage in private life |
| 393 | Death. Treatment of corpses. Funerals. Death rites |
| 394 | Public life. Social life. Life of The people |
| 395 | Social ceremonial. Etiquette. Good manners |
| 398 | Folklore in The strict sense. |
| 396 | Feminism |
| 5 | Mathematics and Natural Sciences |
| 502/504 | Environmental Sciences. Conservation of natural resources. Threats to The environment and protection |
| 51 | Mathematics |
| 52 | Astronomy |
| 528 | Geodesy, cartography |
| 529 | Chronology |
| 53 | Physics |
| 54 | Chemistry |
| 548 | Crystallography |
| 549 | Mineralogy |
| 55 | Earth Sciences |
| 551.5 | Meteorology. Climatology |
| 551.7 | Stratigraphy |
| 552 | Petrology |
| 553 | Economic geology |
| 556 | Hydrology |
| 56 | Palaeontology |
| 57 | Biological Sciences |
| 572 | Anthropology |
| 573 | General biology |
| 574 | Ecology |
| 575 | Genetics |
| 576 | Cytology |
| 577 | Biochemistry. Biophysics |
| 578 | Virology |
| 579 | Microbiology |
| 58 | Botany |
| 59 | Zoology |
| 6 | Applied Sciences. Medicine. Technology |
| 61 | Medicine |
| 619 | Veterinary medicine |
| 62 | Engineering. Technology in General |
| 621 | Mechanical engineering |
| 621.3 | Electrical engineering |
| 621.38 | Electronics |
| 622 | Mining |
| 623 | Military engineering |
| 624 | Civil engineering |
| 625.1/.5 | Railway engineering |
| 625.7/.8 | Highway engineering |
| 626/627 | Hydraulic engineering |
| 628 | Public health engineering |
| 629 | Vehicle engineering |
| 63 | Agricultural Sciences |
| 630 | Forestry |
| 631/634 | Farm management. Plant husbandry |
| 635 | Horticulture |
| 636/638 | Animal husbandry |
| 639 | Hunting. Fishing |
| 64 | Home Economics |
| 641/642 | Cookery |
| 643/649 | Household equipment and management |
| 65 | Management |
| 651 | Office management |
| 654 | Telecommunications |
| 655 | Printing. Publishing. Book Trade |
| 656 | Transport and Postal Services |
| 657 | Accountancy |
| 659 | Publicity. Advertising. Public relations |
| 66 | Chemical Technology |
| 669 | Metallurgy |
| 67/68 | Industries, Crafts and Trades |
| 69 | Building |
| 7 | The Arts |
| 71 | Regional Planning |
| 72 | Architecture |
| 73 | Plastic Arts |
| 74 | Drawing |
| 745/749 | Applied Arts |
| 75 | Painting |
| 76 | Graphic Arts |
| 77 | Photography |
| 78 | Music |
| 79 | Recreation. Entertainment. Games. Sport |
| 791 | Cinema. Films (Motion Pictures) |
| 792 | Theatre |
| 793 | Dance |
| 794 | Board and table games |
| 796/799 | Sport |
| 8 | Language. Linguistics. Literature |
| 80 | Philology |
| 81 | Linguistics |
| 811 | Individual languages |
| 82 | Literature |
| 821 | Literature of individual languages |
| 9 | Geography. Biography. History |
| 902 | Archaeology |
| 903 | Prehistory |
| 904 | Cultural remains of historical times |
| 908 | Area Studies |
| 91 | Geography |
| 929 | Biography |
| 929.5 | Genealogy |
| 929.6 | Heraldry |
| 93/99 | History |
| 930 | Science of history. Ancillary historical Sciences |
| 930.1 | History as a science. Theory and Philosophy of history |
| 930.25 | Archivistics. Archives. Public records |
| 930.27 | Epigraphy. Palaeography |
| 94 | General History (Subdivision by auxiliaries of place - Table 1e, time - Table 1g and ethnic grouping - Table 1f) |
| 94(100) | History of The world |
| 94(3) | History of The ancient world |
| 94(4) | History of Europe |
| 94(5) | History of Asia |
| 94(6) | History of Africa |
| 94(7/8) | History of The Americas |
| 94(9) | History of Oceania, The Polar regions, Australasia, etc. |