Dewey Decimal Classification/Catalogs

	Main Article	Discussion	Related Articles  [?]	Bibliography  [?]	External Links  [?]	Citable Version  [?]	Catalogs [?]	Catalogs [?]
	More information relevant to Dewey Decimal Classification.

Dewey Decimal Classification divides knowledge into ten main discipline areas, which are represented by ten classes. These ten classes are called the First Summary.

First Summary[edit]

• 000 Computer science, information, and general works
• 100 Philosophy and psychology
• 200 Religion
• 300 Social sciences
• 400 Language
• 500 Science
• 600 Technology
• 700 Arts and recreation
• 800 Literature
• 900 History and geography