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.

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Notation Category heading Add Mod ?
T Technology, Engineering, Agriculture, Industrial processes
Class here: associated skills, trades and professions. Use all T* codes for: academic, technical, specialist and general adult titles. DO NOT USE: code ‘T’ itself, but select specific categories from section T*. Use all T* codes with: other subject categories and qualifiers where appropriate, in particular EDUCATIONAL PURPOSE 4* qualifiers for vocational, professional or apprenticeship style education titles
TV Agriculture and farming
See also: KCVD Agricultural economics, KNA Agribusiness and primary industries
TVB Agricultural science
TVD Agricultural engineering and machinery
See also: WGCT Tractors and farm vehicles: general interest
TVF Sustainable agriculture
TVG Organic farming
TVH Animal husbandry
Class here: animal care, livestock farming and management.
See also: WNF Farm and working animals: general interest
TVK Agronomy and crop production
TVM Smallholdings
TVP Pest control
Class here: agricultural use of pesticides and herbicides
TVQ Tropical agriculture: practice and techniques
TVR Forestry and silviculture: practice and techniques
Class here: Arboriculture, tree-planting, tree surgery. Use for: practical or vocational titles about the creating, managing, using, conserving, and repairing forest and related resources.
See also: KNAL Forestry industry, TDPJ Timber and wood processing
TVS Commercial horticulture
Class here: market gardening; flower production.
See also: WM* Gardening and its subcategories
TVT Aquaculture and fish-farming: practice and techniques
TVU Urban farming / urban agriculture
Use with: TVH (Animal husbandry) or other TV* codes as appropriate

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