Find what you want in the library with Dewey Decimal Classification.

000
General Reference

010 Bibliography
020 Library & information sciences
030 General encyclopedic works
040 Unassigned
050 General serials & their indexes
060 General organizations & museology
070 News media, journalism, publishing
080 General collections
090 Manuscripts & rare books

031.02 – World Records

Guinness World Records

100
Philosophy & Psychology

110 Metaphysics
120 Epistemology, causation, humankind
130 Paranormal phenomena
140 Specific philosophical schools
150 Psychology
160 Logic
170 Ethics (moral philosophy)
180 Ancient, medieval, Oriental philosophy
190 Modern Western philosophy
152.14 – Optical Illusions

Optical Illusions

200
Religion

200 Religion
210 Natural theology
220 Bible
230 Christian theology
240 Christian moral & devotional theology
250 Christian orders & local church
260 Christian social theology
270 Christian church history
280 Christian denominations & sects
290 Other & comparative religions
292 – Greek and Roman Gods
Battle of Olympians and Titans

300
Social Science

300 Sociology & anthropology
310 General statistics
320 Political science
330 Economics
340 Law
350 Public administration
360 Social services; associations
370 Education
380 Commerce, communications, transport
390 Customs, etiquette, folklore
398.2 – Fairy Tales
The Serpent Slayer

400
Language

410 Linguistics
420 English & Old English
430 Germanic languages; German
440 Romance languages; French
450 Italian, Romanian languages
460 Spanish & Portuguese languages
470 Italic languages, Latin
480 Hellenic languages, Classical Greek
490 Other languages
428.2 – English Grammar
Eats, Shoots and Leaves

500
Natural Sciences & Mathematics

510 Mathematics
520 Astronomy & allied sciences
530 Physics
540 Chemistry & allied sciences
550 Earth sciences
560 Paleontology, paleozoology
570 Life sciences
580 Botanical sciences
590 Zoological sciences
567.9 – Dinosaurs
Dinosaurs

600
Technology (Applied Sciences)

600 General technology
610 Medical sciences & medicine
620 Engineering & allied operations
630 Agriculture
640 Home economics & family living
650 Management & auxiliary services
660 Chemical engineering
670 Manufacturing
680 Manufacture for specific purposes
690 Buildings
612 – The Human Body
Human Body

700
The Arts

710 Civic & landscape art
720 Architecture
730 Plastic arts, sculpture
740 Drawing & decorative arts
750 Painting & paintings (museums)
760 Graphic arts, printmaking & prints
770 Photography & photographs
780 Music
790 Recreational & performing arts
796 – Soccer, Basketball, Hockey
and other sports

Soccer Stars

800
Literature & Rhetoric

810 American literature
820 English & Old English literatures
830 Literatures of Germanic languages
840 Literatures of Romance languages
850 Italian, Romanian literatures
860 Spanish & Portuguese literatures
870 Italic literatures, Latin
880 Hellenic literatures, Classical Greek
890 Literatures of other languages
818 – Joke Books
101 Canadian Jokes

900
Geography & History

900 World history
910 Geography & travel
920 Biography, genealogy, insignia
930 History of the ancient world
940 General history of Europe
950 General history of Asia, Far East
960 General history of Africa
970 General history of North America
980 General history of South America
990 General history of other areas
932 – Egypt
Ancient Egypt