History 17 European history 13 Education 6 20th century, c 1900 to c 1999 5 Cultural studies 5 History and Archaeology 5 Social and cultural history 5 History of the Americas 4 History: theory and methods 4 Museology & heritage studies 4 History: theory & methods 3 Social & cultural history 3 20th century history: c 1900 to c 2000 2 Biography and non-fiction prose 2 Communication studies 2 Conservation, restoration and care of artworks 2 General & world history 2 History of art 2 History of education 2 History: specific events & topics 2 Humanities 2 Language 2 Later 20th century c 1950 to c 1999 2 Latvia 2 Migration, immigration & emigration 2 Political activism 2 Postwar 20th century history, from c 1945 to c 2000 2 Second World War 2 The arts: general topics 2 Theatre studies 2