History 16 History of the Americas 14 Political structures: totalitarianism & dictatorship 12 European history 10 Political science & theory 8 Political structures: totalitarianism and dictatorship 8 General and world history 7 Political structures: democracy 7 Politics & government 7 History and Archaeology 6 Later 20th century c 1950 to c 1999 5 Asian history 4 Biography: writers 4 Comparative politics 4 Literature: history & criticism 4 Marxism & Communism 4 Media studies 4 Psychology 4 Social & cultural history 4 20th century history: c 1900 to c 2000 3 20th century, c 1900 to c 1999 3 Cultural studies 3 Economic history 3 Ethics & moral philosophy 3 Far-left political ideologies and movements 3 Gender studies, gender groups 3 General & world history 3 International relations 3 Political economy 3 Postwar 20th century history, from c 1945 to c 2000 3