Thema Subject Categories 1.4

Previous versions of Thema are still available 1.3 1.2 1.1 1.0.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

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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
WN Nature and the natural world: general interest
Use all WN* codes for: popular works only.
Prefer: codes from Sections P*, R*, T* etc, as appropriate for specialist and academic works
WNG Domestic animals and pets
WNGC Cats as pets
WNGD Dogs as pets
WNGF Fishes as pets and aquaria
WNGH Horses and ponies: general interest
WNGK Birds, including cage birds, as pets
WNGR Rabbits and rodents as pets
Class here: mice, hamsters, guinea pigs, gerbils, rats, etc as pets
WNGS Reptiles and amphibians as pets
Class here: snakes, lizards, newts, terrapins, turtles, tortoises, etc as pets
WNGX Insects and spiders as pets

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