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 ?
W Lifestyle, Hobbies & Leisure
Use for: (all W* codes) popular accounts for general readership. Prefer Sections A*, K*, P*, R*, T*, etc, as appropriate, for specialist & academic works
WN Nature & the natural world: general interest
Use for: (all WN* codes) popular works only. Prefer codes from Sections P*, R*, T* etc, as appropriate for specialist & academic works
WNC Wildlife: general interest
See also: PSV* Zoology & animal sciences and its subcategories
WNCB Wildlife: birds & birdwatching: general interest
See also: PSVJ Zoology: birds (ornithology)
WNCF Wildlife: mammals: general interest
See also: PSVM Zoology: mammals (mammalogy)
WNCK Wildlife: reptiles & amphibians: general interest
See also: PSVF Zoology: amphibians & reptiles (herpetology)
WNCN Wildlife: butterflies, other insects & spiders: general interest
See also: PSVA Zoology: invertebrates
WNCS Wildlife: aquatic creatures: general interest
See also: PSVC Zoology: fishes (ichthyology), PSVM2 Zoology: marine & freshwater mammals, PSP Hydrobiology

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