History of ideas 34 European history 7 Social & cultural history 7 Literature & literary studies 4 Political science & theory 4 History of science 3 Literature: history & criticism 3 Russia 3 20th century history: c 1900 to c 2000 2 Classic fiction (pre c 1945) 2 Cultural studies 2 Germany 2 History 2 History of education 2 History of engineering & technology 2 Impact of science & technology on society 2 Literary studies: c 1500 to c 1800 2 Modern history to 20th century: c 1700 to c 1900 2 Modern period, c 1500 onwards 2 Social theory 2 20th century 1 21st century 1 Artificial intelligence 1 Asian history 1 Bibliographies, catalogues 1 Bio-ethics 1 Biography: science, technology & medicine 1 Christianity 1 Communication studies 1 Constitution: government & the state 1