Thema Subject Categories 1.4

Previous versions of Thema are still available 1.3 1.2 1.1 1.0.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

See the search hints below.

Notation Category heading Add Mod ?
G Reference, Information and Interdisciplinary subjects
Use all G* codes for: specialist and general adult titles. DO NOT USE: code ‘G’ itself, but select specific categories from section G*. Use all G* codes with: other subject categories and qualifiers where appropriate
1.4
GB Encyclopaedias and reference works
GBC Reference works
Use with: other subject code indicating the area or scope of the work.
See also: CB* Language: reference and general and its subcategories, DSR* Literary reference works and its subcategories
GBCB Dictionaries of biography
Class here: Who’s Who. Use with: other subject code indicating the area or scope of the work
1.3

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