Thema Subject Categories 1.3

Previous versions of Thema are still available 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 ?
3 Time period qualifiers
DO NOT USE “3” on individual books, but select qualifiers from section 3* as appropriate
3M c 1500 onwards to present day
3MP 20th century, c 1900 to c 1999
3MPB Early 20th century c 1900 to c 1950
3MPB-JP-D 1926 to 1945 (Japanese pre-war Showa period) 201910

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