Thema Subject Categories 1.4

Previous versions of Thema are still available 1.3 1.2.

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 ?
W Lifestyle, Hobbies and Leisure
Use all W* codes for: popular accounts for general adult readership. DO NOT USE: code ‘W’ itself, but select specific categories from section W*. Use all W* codes with: other subject categories and qualifiers where appropriate.
Prefer: codes from A*, K*, P*, R*, T*, etc, for specialist, technical and academic works
WM Gardening
See also: TVS Commercial horticulture
WMQ Specialized gardening methods
WMQR Container gardening
Use for: titles about growing plants in pots, tubs, baskets, etc indoors or outdoors
WMQR1 Indoor gardening 1.3

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