Social & cultural history European history 18 General & world history 12 British & Irish history 9 History of medicine 9 History: earliest times to present day 6 History of science 5 Gender studies, gender groups 4 Psychiatry 3 Society & culture: general 3 20th century history: c 1900 to c 2000 2 Australasian & Pacific history 2 Australia 2 Historiography 2 History of the Americas 2 Modern history to 20th century: c 1700 to c 1900 2 Political science & theory 2 Politics & government 2 Second World War 2 Theory of music & musicology 2 Veterinary medicine 2 Age groups 1 Ancient history: to c 500 CE 1 Ancient religions & mythologies 1 Baroque music (c 1600 to c 1750) 1 Biography: literary 1 Central government policies 1 Classical Greek & Roman archaeology 1 Colonialism & imperialism 1 Conservation of the environment 1