DDC Second Summary (Hundred Divisions)
000 Computer & General
- 000 Computer science & systems
- 010 Bibliographies
- 020 Library & info sciences
- 030 Encyclopedias
- 050 Magazines & journals
- 060 Organizations & museums
- 070 Journalism & publishing
- 080 Quotations
- 090 Manuscripts & rare books
100 Philosophy
- 100 Philosophy
- 110 Metaphysics
- 120 Epistemology
- 130 Parapsychology
- 140 Schools of thought
- 150 Psychology
- 160 Philosophical logic
- 170 Ethics
- 180 Ancient/Eastern Philosophy
- 190 Modern Western Philosophy
200 Religion
- 200 Religion
- 210 Theory of religion
- 220 The Bible
- 230 Christianity
- 240 Christian practice
- 250 Pastoral practice
- 260 Christian organization
- 270 History of Christianity
- 280 Denominations
- 290 Other religions
300 Social Sciences
- 300 Sociology & Anthropology
- 310 Statistics
- 320 Political science
- 330 Economics
- 340 Law
- 350 Public administration
- 360 Social problems
- 370 Education
- 380 Commerce & transport
- 390 Etiquette & folklore
400 Language
- 400 Language
- 410 Linguistics
- 420 English
- 430 German
- 440 French
- 450 Italian & Romanian
- 460 Spanish & Portuguese
- 470 Latin
- 480 Classical/Modern Greek
- 490 Other languages
500 Science
- 500 Science
- 510 Mathematics
- 520 Astronomy
- 530 Physics
- 540 Chemistry
- 550 Earth sciences
- 560 Fossils
- 570 Biology
- 580 Plants (Botany)
- 590 Animals (Zoology)
600 Technology
- 600 Technology
- 610 Medicine & health
- 620 Engineering
- 630 Agriculture
- 640 Home management
- 650 Management
- 660 Chemical engineering
- 670 Manufacturing
- 680 Specific uses
- 690 Construction
700 Arts
- 700 Arts
- 710 Area planning
- 720 Architecture
- 730 Sculpture & Metalwork
- 740 Graphic arts
- 750 Painting
- 770 Photography & Film
- 780 Music
- 790 Sports & Entertainment
800 Literature
- 800 Literature
- 810 American literature
- 820 English literature
- 830 German literature
- 840 French literature
- 850 Italian/Romanian lit
- 860 Spanish/Portuguese lit
- 870 Latin literature
- 880 Greek literature
- 890 Other literatures
900 History
- 900 History
- 910 Geography & travel
- 920 Biography
- 930 Ancient history
- 940 History of Europe
- 950 History of Asia
- 960 History of Africa
- 970 North America
- 980 South America
- 990 Other areas