| 【Computer science, information & general works】 | 【Philosophy & psychology】 |
|---|
| 000 | Computer science, knowledge & systems | 100 | Philosophy |
| 010 | Bibliographies | 110 | Metaphysics |
| 020 | Library & information sciences | 120 | Epistemology |
| 030 | Encyclopedias & books of facts | 130 | Parapsychology & occultism |
| 040 | [Unassigned] | 140 | Philosophical schools of thought |
| 050 | Magazines, journals & serials | 150 | Psychology |
| 060 | Associations, organizations & museums | 160 | Philosophical logic |
| 070 | News media, journalism & publishing | 170 | Ethics |
| 080 | Quotations | 180 | Ancient, medieval & eastern philosophy |
| 090 | Manuscripts & rare books | 190 | Modern western philosophy |
| 【Religion】 | 【Social sciences】 |
|---|
| 200 | Religion | 300 | Social sciences, sociology & anthropology |
| 210 | Philosophy & theory of religion | 310 | Statistics |
| 220 | The Bible | 320 | Political science |
| 230 | Christianity | 330 | Economics |
| 240 | Christian practice & observance | 340 | Law |
| 250 | Christian pastoral practice & religious orders | 350 | Public administration & military science |
| 260 | Christian organization, social work & worship | 360 | Social problem & social services |
| 270 | History of Christianity | 370 | Education |
| 280 | Christian denominations | 380 | Commerce, communications & transportation |
| 290 | Other religions | 390 | Customs, etiquette & folklore |
| 【Language】 | 【Science】 |
|---|
| 400 | Language | 500 | Science |
| 410 | Linguistics | 510 | Mathematics |
| 420 | English & Old English languages | 520 | Astronomy |
| 430 | German & related languages | 530 | Physics |
| 440 | French & related languages | 540 | Chemistry |
| 450 | Italian, Romanian & related languages | 550 | Earth sciences & geology |
| 460 | Spanish, Portuguese, Galician | 560 | Fossils & prehistoric life |
| 470 | Latin & Italic languages | 570 | Biology |
| 480 | Classical & modern Greek languages | 580 | Plants (Botany) |
| 490 | Other languages | 590 | Animals (Zoology) |
| 【Technology】 | 【Arts & recreation】 |
|---|
| 600 | Technology | 700 | Arts |
| 610 | Medicine & health | 710 | Area planning & landscape architecture |
| 620 | Engineering | 720 | Architecture |
| 630 | Agriculture | 730 | Sculpture, ceramics & metalwork |
| 640 | Home & family management | 740 | Graphic arts & decorative arts |
| 650 | Management & public relations | 750 | Painting |
| 660 | Chemical engineering | 760 | Printmaking & prints |
| 670 | Manufacturing | 770 | Photography, computer art, film, video |
| 680 | Manufacture for specific uses | 780 | Music |
| 690 | Construction of buildings | 790 | Sports, games & entertainment |
| 【Literature】 | 【History & geography】 |
|---|
| 800 | Literature, rhetoric & criticism | 900 | History |
| 810 | American literature in English | 910 | Geography & ravel |
| 820 | English & Old English literatures | 920 | Biography & genealogy |
| 830 | German & related literatures | 930 | History of ancient world (to ca. 499) |
| 840 | French & related literatures | 940 | History of Europe |
| 850 | Italian, Romanian & related literatures | 950 | History of Asia |
| 860 | Spanish, Portuguedse, Galician literatures | 960 | History o fAfrica |
| 870 | Latin & Italic literatures | 970 | History of North American |
| 880 | Classical & modern Greek literatures | 980 | History of South America |
| 890 | Other literatures | 990 | History of other areas |
