General & world history 7 European history 5 Legal history 4 Social & cultural history 4 20th century history: c 1900 to c 2000 3 History of the Americas 3 Medieval history 3 African history 2 Early modern history: c 1450/1500 to c 1700 2 History 2 The Cold War 2 Aspects of religion (non-Christian) 1 Ethics & moral philosophy 1 Ethnic studies 1 Globalization 1 Historiography 1 History of art / art & design styles 1 History of medicine 1 History: earliest times to present day 1 International relations 1 Islam 1 Islamic life & practice 1 Jewish studies 1 Law 1 Literary studies: classical, early & medieval 1 Middle Eastern history 1 Migration, immigration & emigration 1 Music recording & reproduction 1 Postwar 20th century history, from c 1945 to c 2000 1 Society & social sciences 1