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
WMP Gardening: plants and cultivation guides
Class here: herbs, succulents and cacti. Use for: titles about the growing of or guides to any type of garden plant, both indoor and outdoor. Use with: WMQR for house plants
WMPS Gardening: trees and shrubs 1.3

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