1. The Dewey Decimal
Classification System

2.  The informational books in our library
are organized according to the Dewey
Decimal Classification System (DDC.)
 This system of classifying books is
named after its founder, Melvil Dewey.
 The system is based on ten basic
divisions

3. The 10 basic divisions

4. 000 General Works
 What is it?
◦ Lots of information in one book or set of
books.
 What do I find here?
◦ General reference works, computer
books, codes, and oddities.

5. 000 General Works
 000 Computers, Loch Ness, Bigfoot,
UFOs, aliens
 020 Libraries
 030 Books of facts
◦ Encyclopedias & World record books
(Reference area)
 050 Magazines, journals & serials
(Magazine area)
 060 Associations, organizations &
museums
 070 Newspapers, media, journalism &
publishing

6. 100 Philosophy and
Psychology
 What is it?
◦ What and How we think!
 What do I find here?
◦ Optical illusions, brain research, questions
and answer books.

7. 100 Philosophy and
Psychology
 130 Ghosts, witches & the
supernatural
 150 Optical illusions, feelings
 170 Emotions, values, animal rights

8. 200 Religion and Mythology
 What is it?
◦ The creator of our world.
 What do I find here?
◦ Bible stories, religions of the world, Greek
myths.

9. 200 Religion and Mythology
 220 Bible Stories
 290 Mythology, world religions

10. 300 Social Science
 What is it?
◦ Ways we communicate and get along with
other people.
 What do I find here?
◦ Communication, education, law,
sociology, transportation, etiquette,
folklore and fairy tales.

11. 300 Social Science
 300 Social issues: world cultures, racism
 310 Almanacs (Reference area)
 320 Government
 330 Money, working
 340 Court system, famous trials
 350 Armed forces: army, navy, air force
 360 Drugs, environment issues, Titanic,
police
 370 Schools
 380 Transportation
 390 Holidays, folktales, fairy tales

12. 400 Languages
 What is it?
◦ Languages that we use.
 What do I find here?
◦ Grammar books, sign language.

13. 400 Languages
 410 Sign language
 420 Dictionaries (Reference area,)
readers (Reader area)
 430 German language
 440 French langauge
 450 Italian language
 460 Spanish language
 490 Hieroglyphics, Japanese
language

14. 500 Science and Math
 What is it?
◦ Everything that is in this world around us.
 What do I find here?
◦ Experiments, mathematics, astronomy,
chemistry, physics, geology, biology, and
DINOSAURS!
◦ Books on specific animals are also found
here.

15. 500 Science and Math
 500 Science experiments/sets
 510 Mathematics
 520 Stars, planets, astronomy, space
 530 Force & motion, electricity, magnetism,
light
 540 Chemistry, atoms, rocks and minerals
 550 Volcanoes, earthquakes, weather,
hurricanes, tornadoes
 560 Dinosaurs (567.9,) prehistoric animals,
fossils
 570 Forests, rainforests, desserts,
mountains, oceans evolution
 580 plants, flowers & trees

16. 590 Animals & Insects
 591 Specific topics in natural history of
animals
 592 Worms, invertebrates
 593 Corals, sea invertebrates
 594 Seashells, snails, octopus
 595 insects, spiders
 597 Fish, frogs, toads, reptiles,
amphibians, snakes
 598 Birds
 599 Mammals, whales

17. 600 People using
Science and Technology
 What is it?
◦ How we make nature work for us.
 What do I find here?
◦ Human body, medicine, airplanes, space
travel, cookbook
◦ Domesticated animals such as dogs, cats,
and horses.

18. 600 People using
Science and Technology
 600 Inventions
 610 Human body, health
 620 Rockets, trains, cars, trucks
 630 Farming, farm animals, cats, dogs,
pets, horses
 640 Cookbooks, sewing
 650 Secret codes
 660 How food is made
 670 Paper making
 680 Woodworking
 690 Building

19. 700 Arts and Recreation
 What is it?
◦ Things we do for fun and creativity.
 What do I find here?
◦ Art, artists, how-to-draw book, crafts,
origami, music, joke & riddle books, chess
& sports.

20. 700 Arts and Recreation
 710 Art appreciation, history of art
 720 Houses, buildings
 730 Origami, paper carfts
 740 Drawing, crafts
 750 Painting
 760 Printing
 770 Photography
 780 Music
 790 Sports, games, magic, I Spy,
camping

21. 800 Literature
 What is it?
◦ We act and read poetry.
 What do I find here?
◦ Poetry, plays and classic literature.

22. 800 Literature
 810 Poetry, plays, jokes & riddles
 820 Shakespeare

23. 900 Geography and History
 What is it?
◦ Places we live.
 What do I find here?
◦ History, geography & travel, atlases,
explorers, and multiple biographies.

24. 900 Geography and History
 910 Explorers, atlas
 920 Flags, people (biography)
 930 Archeology, ancient civilizations
◦ Egypt 932,Rome 937, Greece 938
 940 Knights, castles, World War I & II, European
countries
 950 Asian & Middle Eastern countries
 960 African countries
 970 North & Central American countries, Native
American tribes, American history, USA
 980 South American countries
 990 Pacific islands, Australia, Hawaii, Arctic,
Antarctica