Thema Subject Categories 1.4

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Notation Category heading Add Mod ?
N History and Archaeology
Use all N* codes for: specialist and general adult titles. DO NOT USE: code ‘N’ itself, but select specific categories from section N*. Use all N* codes with: other subject categories and qualifiers where appropriate, in particular PLACE 1* and TIME PERIOD 3* Qualifiers. A History work will usually need more than one subject category, from either History or non-History subjects to give greater detail, for example categories from Social Sciences (J*) with NHTB
NH History
Use for: general history of broad topics, places etc. Use all NH* codes with: other subject codes to give more detail and also PLACE 1* and/or TIME PERIOD 3* Qualifiers as appropriate.
Prefer: ‘history of’ categories from within that subject where they exist, e.g. PDX History of science, QRAX history of Religion or KCZ Economic History
NHT History: specific events and topics
Use all NHT* codes with: 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
NHTB Social and cultural history
Use with: other subject codes, especially J* codes, to indicate what branch of, or topic in, social or cultural history the work is about, for example, for labour history use with JHBL, or JBSF1 for women’s history
NHTD Oral history
NHTF History: plagues, diseases etc
Class here: the Black Death, epidemics and pandemics in history.
See also: MBX History of medicine
NHTG Genealogy, heraldry, names and honours
See also: GTT Flags, emblems, symbols, logos, VFXB1 Baby names: guides for parents, WQY Family history, tracing ancestors
NHTK Industrialisation and industrial history
Class here: industrial or technological revolutions, impact of industrial or technological changes on society.
See also: KJZ History of specific companies / corporate history
NHTM Maritime history
Class here: Nautical histories of seafaring, sailors, piracy, whaling, fishing, navigation, exploration, maritime trade, shipping, sea-related communities, etc. Use for: any historical aspect of human interaction with or activity at sea
NHTP Historical geography
NHTQ Colonialism and imperialism
Class here: colonisation, studies of colonies or empires.
See also: NHTR National liberation and independence
NHTR National liberation and independence
Class here: decolonisation. Use for: works about achieving independence, or histories of newly independent or postcolonial societies
NHTS Slavery and abolition of slavery
Use for: works about any form or aspect of historical slavery in different societies, cultures or regions
NHTT Invasion, conquest and occupation 1.4
NHTV Revolutions, uprisings, rebellions
See also: JPWQ Revolutionary groups and movements
NHTW Cold wars and proxy conflicts
Class here: The Cold War, phoney wars. Use for: works that examine conflicts between nations that do not involve direct military action but are pursued primarily through economic and political actions, propaganda, espionage or proxy wars waged by surrogates
NHTX Violence, intolerance and persecution in history
Class here: Purges, pogroms, violent repression, cruelties, atrocities, massacres etc. Use for: works that examine these themes in history, aspects of these topics or specific events in different societies, cultures or regions
NHTZ Genocide and ethnic cleansing

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