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DDC classification (20908)
- 000 Generalities, Science (275)
- 004 Data processing Computer science (296)
- 010 Bibliography (6)
- 020 Library and information sciences (146)
- 050 General serials and their indexes (2)
- 060 General organization and museology (8)
- 070 News media, journalism, publishing (13)
- 080 General collections (4)
- 090 Manuscripts and rare books (23)
- 100 Philosophy (393)
- 130 Paranormal phenomena (2)
- 150 Psychology (529)
- 200 Religion (295)
- 220 Bible (8)
- 230 Christian theology (109)
- 290 Other and comparative religions (50)
- 300 Social sciences (435)
- 310 General statistics (42)
- 320 Political science (229)
- 330 Economics (370)
- 340 Law (357)
- 350 Public administration (11)
- 355 Military science (11)
- 360 "Social services; association" (21)
- 370 Education (112)
- 380 Commerce, communications, transport (8)
- 390 Customs, etiquette, folklore (52)
- 400 Linguistics (85)
- 420 English (19)
- 430 Germanic (27)
- 440 Romance languages French (7)
- 450 Italian, Romanian, Rhaeto-Romantic (4)
- 460 Spanish and Portugese languages (7)
- 470 Italic Latin (27)
- 480 Hellenic languages Classical Greek (35)
- 490 Other languages (31)
- 500 Natural sciences and mathematics (565)
- 510 Mathematics (703)
- 520 Astronomy and allied sciences (385)
- 530 Physics (1774)
- 540 Chemistry and allied sciences (492)
- 550 Earth sciences (229)
- 560 Paleontology Paleozoology (14)
- 570 Life sciences (1511)
- 580 Botanical sciences (26)
- 590 Zoological sciences (35)
- 600 Technology (Applied sciences) (117)
- 610 Medical sciences Medicine (11533)
- 620 Engineering and allied operations (25)
- 630 Agriculture (4)
- 640 Home economics and family living (3)
- 650 Management and auxiliary services (7)
- 660 Chemical engineering (7)
- 670 Manufacturing (8)
- 690 Buildings (4)
- 700 The arts (62)
- 710 Civic and landscape art (2)
- 720 Architecture (35)
- 730 Plastic arts Sculpture (24)
- 740 Drawing and decorative arts (7)
- 741.5 Comics, Cartoons (3)
- 750 Painting and paintings (21)
- 760 Graphic arts Printmaking and prints (9)
- 770 Photography and photographs (4)
- 780 Music (48)
- 790 Recreational and performing arts (4)
- 791 Public performances (52)
- 792 Stage presentations (14)
- 793 Indoor games and amusements (1)
- 796 Athletic and outdoor sports and games (68)
- 800 Literature and rhetoric (174)
- 810 American literature in English (9)
- 820 English and Old English literatures (13)
- 830 Literatures of Germanic languages (47)
- 840 Literatures of Romance languages (32)
- 850 Italian, Romanian, Rhaeto-Romanic literatures (4)
- 860 Spanish and Portuguese literatures (1)
- 870 Italic literatures Latin (22)
- 880 Hellenic literatures Classical Greek (25)
- 890 Literatures of other languages (21)
- 900 Geography and history (296)
- 910 Geography and travel (16)
- 914 Geography and travel Germany (4)
- 920 Biography, genealogy, insignia (8)
- 930 History of ancient world (132)
- 940 General history of Europe (184)
- 943 General history of Europe Central Europe Germany (101)
- 950 General history of Asia Far East (122)
- 960 General history of Africa (6)
- 970 General history of North America (11)
- 980 General history of South America (4)
- 990 General history of other areas (10)