| 【Generalities】 | 【Philosophy& psychology】 |
|---|
| 000 | Generalities | 100 | Philosophy & psychology |
| 004 | Data processing;Computer Science | 110 | Metaphysics |
| 005 | Computer programming, programs, data | 120 | Epistemology, causation, humankind |
| 006 | Special computer methods | 130 | Paranormal phenomehna |
| 010 | Bibliography | 140 | Special philosophical schools |
| 020 | Library & information science | 150 | Psychology |
| 030 | General encyclopedic works | 160 | Logic |
| 040 | | 170 | Ethics(Moral philosophy) |
| 050 | General serials & their indexes | 180 | Ancient, medieval, oriental philosophy |
| 060 | General organizations & museology | 190 | Modern western philosophy |
| 070 | News media, journalism, publishing | | |
| 080 | General collections | | |
| 090 | Manuscripts & rare books | | |
| 【Religion】 | 【SocialSciences】 |
|---|
| 200 | Religion | 300 | Social sciences |
| 210 | Natural theology | 310 | General statistics |
| 220 | Bible | 320 | Political science |
| 230 | Christian theology | 330 | Economics |
| 240 | Christian moral & devotional theology | 332 | Financial economics |
| 250 | Christian orders & local church | 334 | Cooperatives |
| 260 | Christian social theology | 336 | Public finance |
| 270 | Christian church history | 340 | Law |
| 280 | Christian denominations & sects | 350 | Public administration |
| 290 | Other comparative religions | 355 | Military science |
| | | 360 | Social services;Association |
| | | 370 | Education |
| | | 380 | Commerce; Communications; Transportation |
| | | 390 | Customs; etiquette; folklore |
| 【Language】 | 【Naturalsciences & mathematics】 |
|---|
| 400 | Language | 500 | Natural sciences |
| 410 | Linguistics | 510 | Mathematics |
| 420 | English & old English | 520 | Astronomy & allied sciences |
| 430 | Germanic language; German | 530 | Physics |
| 440 | Romance language; French | 540 | Chemistry & allied sciences |
| 450 | Italian, Romanian, Rhaeto-Romanic language | 550 | Earth sciences |
| 460 | Spanish & Portuguese languages | 560 | Paleotology; Paleozoology |
| 470 | Italic languages; Latin | 570 | Life sciences |
| 480 | Hellenic languages; Classical Greek | 580 | Botanical sciences |
| 490 | Other languages | 590 | Zoological sciences |
| 495 | Languages of east & southeast Asia | | |
| 【Technology(Appliedsciences)】 | 【Thearts】 |
|---|
| 600 | Technology(Applied sciences) | 700 | The arts |
| 610 | Medical sciences; Medicine | 710 | Civic & landscape art |
| 620 | Engineering & allied sciences | 720 | Architecture |
| 624 | Civil engineering | 730 | Plastic arts; Sculpture |
| 625 | Engineering of railroads, roads | 740 | Drawing & decorative arts |
| 627 | Hydraulic engineering | 750 | Painting & paintings |
| 628 | Sanitary & municipal engineering | 760 | Graphic arts; Printmaking & prints |
| 630 | Agriculture | 770 | Photography & photographs |
| 640 | Home economics & family living | 780 | Music |
| 650 | Management & auxilliary services | 790 | Recreational & perforing arts |
| 657 | Accounting | | |
| 659 | Advertising & public relations | | |
| 660 | Chemical engineering | | |
| 680 | Manufacture for specific uses | | |
| 690 | Buildings | | |
| 【Literature& rhetoric】 | 【Geography& history】 |
|---|
| 800 | Literature & rhetoric | 900 | Geography & history |
| 810 | American Literature | 910 | Geography & travel |
| 820 | English literature | 920 | Biography, genealogy, insignia |
| 830 | Literatures of Germanic languages | 930 | History of ancient world |
| 840 | Literatures of Romance languages | 940 | General history of Europe |
| 850 | Italian, Romanian literatures | 950 | General history of Asia; Far East |
| 860 | Spanish & Portuguese literatures | 960 | General history of Africa |
| 870 | Italic literatures; Latin | 970 | General history of North America |
| 880 | Hellenic literatures; Classical Greek | 980 | General history of south America |
| 890 | Literatures of other languages | 990 | General history of other areas |