TSV

Dewey Decimal Classification - TSV

The Dewey Decimal Classification (DDC) is a library classification system devised by Melvil Dewey in 1876 and is the most widely used library classification system in the world. It is used in more than 200,000 libraries in over 135 countries and systematically organizes all knowledge using Arabic numerals in a decimal system. It is currently maintained by OCLC (Online Computer Library Center) and is continuously updated as WebDewey.

library classification book classification OCLC knowledge organization
code	slug	name	description
000	computer-science-information-general-works	Computer Science, Information & General Works	General works including computer science, library science, encyclopedias, and materials not limited to specific fields.
100	philosophy-psychology	Philosophy & Psychology	Philosophy, psychology, metaphysics, epistemology, ethics, logic, and related subjects concerning human thought and mind.
200	religion	Religion	Religious philosophy, the Bible, Christian theology, and other world religions.
300	social-sciences	Social Sciences	Sociology, political science, economics, law, education, and other aspects of society and its institutions.
400	language	Language	Linguistics, language theory, and specific languages including English, French, German, Spanish, and others.
500	natural-sciences-mathematics	Natural Sciences and Mathematics	Mathematics, astronomy, physics, chemistry, biology, earth sciences, and other natural phenomena.
600	technology	Technology	Medicine, engineering, agriculture, manufacturing, domestic life, and applied sciences.
700	arts	The Arts	Fine and decorative arts, architecture, music, performing arts, sports, and recreation.
800	literature-rhetoric	Literature & Rhetoric	Literature, poetry, drama, and rhetoric in various languages.
900	history-geography	History & Geography	World history, biography, geography, and travel.