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 ?
N History & Archaeology
NH History
Use for: general history of broad topics, places etc. Use with: appropriate Subject category, but prefer ‘history of’ categories from within that subject where they exist, eg PDX History of science, QRAX history of Religion or KCZ Economic History. Use with: (all NH* codes) other subject codes to give more detail and also PLACE 1* and/or TIME PERIOD 3* Qualifiers as appropriate
1.3
NHA History: theory & methods
NHB General & world history
Use for: works that take a truly global view of history and that do not fit into a more precise history category. For general or global history of specific topics, use with an appropriate subject category, but prefer ‘history of’ categories from within that subject where they exist
NHC Ancient history
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
NHD European history
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
NHF Asian history
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
NHG Middle Eastern history
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
NHH African history
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
NHK History of the Americas
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
NHM Australasian & Pacific history
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
NHQ History of specific lands
Use for: titles not covered by other NH* codes. Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate
1.2
NHT History: specific events & topics
Use with: (all NHT* codes) regional NH* codes where possible and other subject codes to give more detail and also PLACE 1* and/or TIME PERIOD 3* Qualifiers as appropriate
1.3
NHW Military history
Use with: relevant PLACE 1* & TIME PERIOD 3* Qualifiers as appropriate. See also: JW* Warfare & defence and its subcategories

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