-Dewey Decimal Classification System

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1851-1931,
American library pioneer,
Melvil Dewey




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000- 099
General Works
Lots of information in one book or set of books.
Encyclopedias, general reference works, computers, codes, and oddities
100-199
Philosophy and Psychology
What and how do we think?
Optical illusions, brain research, question and answer books.
200-299
Religion and Mythology
Who is the creator?
Bible stories, religions of the world, Greek myths.
300-399
Social Science
How do people communicate and get along?
Communication, education, law, sociology, transportation, etiquette, folklore and fairy tales.
400-499
Language
What language do you speak?
Grammar books, sign language, dictionaries, and picture books in many languages.
500-599
Natural Science
What is in this world around us?
Experiments, mathematics, astronomy, chemistry, physics, geology, biology, and
dinosaurs. Books on specific animals are also found here.
600-699
Applied Science
How do we make nature work for us?
Anatomy, medicine, airplanes, space travel, cookbooks and domesticated animals such as dogs, cats, and horses.
700-799
Arts and Recreation
What do you do for fun and creativity?
Art, artists, how-to-draw books, crafts, origami, music, joke and riddle books, and sports
800-899
Literature
We act and read poetry.
Poetry, plays and classic literature.
900-999
Geography & History
Where do you live?
History, geography and travel, atlases, explorers, and multiple biographies* 920