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 ?
1 Place qualifiers
DO NOT USE “1” on individual books, but select qualifiers from section 1* as appropriate
1D Europe
1DZ Europe: physical features
1DZA Europe: rivers, lakes etc
1DZA-IT-E Tiber river and tributaries
Prefer code in Central Italy: Places of interest. See also: 1DST-IT-TXC The Tiber river & tributaries
1.1 201710

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