INI

Dewey Decimal Classification - INI

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

[item.computer-science-information-general-works]
code=000
slug=computer-science-information-general-works
name=Computer Science, Information & General Works
description=General works including computer science, library science, encyclopedias, and materials not limited to specific fields.

[item.philosophy-psychology]
code=100
slug=philosophy-psychology
name=Philosophy & Psychology
description=Philosophy, psychology, metaphysics, epistemology, ethics, logic, and related subjects concerning human thought and mind.

[item.religion]
code=200
slug=religion
name=Religion
description=Religious philosophy, the Bible, Christian theology, and other world religions.

[item.social-sciences]
code=300
slug=social-sciences
name=Social Sciences
description=Sociology, political science, economics, law, education, and other aspects of society and its institutions.

[item.language]
code=400
slug=language
name=Language
description=Linguistics, language theory, and specific languages including English, French, German, Spanish, and others.

[item.natural-sciences-mathematics]
code=500
slug=natural-sciences-mathematics
name=Natural Sciences and Mathematics
description=Mathematics, astronomy, physics, chemistry, biology, earth sciences, and other natural phenomena.

[item.technology]
code=600
slug=technology
name=Technology
description=Medicine, engineering, agriculture, manufacturing, domestic life, and applied sciences.

[item.arts]
code=700
slug=arts
name=The Arts
description=Fine and decorative arts, architecture, music, performing arts, sports, and recreation.

[item.literature-rhetoric]
code=800
slug=literature-rhetoric
name=Literature & Rhetoric
description=Literature, poetry, drama, and rhetoric in various languages.

[item.history-geography]
code=900
slug=history-geography
name=History & Geography
description=World history, biography, geography, and travel.