Library Search

Dewey Decimal Classification (DDC) : 020

First Summary (The Ten Main Classes)

000 : Computers, information, & general works
100 : Philosophy & psychology
200 : Religion
300 : Social sciences
400 : Language
500 : Science
600 : Technology
700 : Arts & recreation
800 : Literature
900 : History & geography

Second Summary (The Hundred Divisions)

000 : Computer science, knowledge & systems
010 : Bibliographies
020 : Library & information science
030 : Encyclopedias & books of facts
040 : [Unassigned]
050 : Magazines, journals & serials
060 : Associations, organizations & museums
070 : News media, journalism & publishing
080 : Quotations
090 : Manuscripts & rare books


Third Summary (The Thousand Sections)

020 : Library & information sciences
021 : Library relationships
022 : Administration of physical plant
023 : Personnel management
024 : [Unassigned]
025 : Library operations
026 : Libraries for specific subjects
027 : General libraries
028 : Reading & use of other information media
029 : [Unassigned]