Biography and non-fiction prose 277 Biography: general 220 Biography & True Stories 120 History 98 Biography, Literature and Literary studies 80 Literature: history and criticism 58 Biography: historical, political & military 52 Biography: historical, political and military 52 European history 49 linguistics 37 Biography: writers 35 Literature & literary studies 33 Linguistics 32 History of science 30 Literature: history & criticism 29 History of the Americas 26 Biography: science, technology & medicine 25 Archaeology 22 Education 22 Sociology 22 Society & social sciences 21 Gender studies, gender groups 19 History and Archaeology 19 Literary studies: general 18 Music 18 Social and cultural history 18 20th century history: c 1900 to c 2000 17 Philosophy 17 Social & cultural history 17 Asian history 16