Politics & government 18 History 9 Political structures: democracy 8 Media studies 7 Political science & theory 7 International relations 6 Sociology 5 Asian history 4 Communication studies 4 Cultural studies 3 Development studies 3 Economics 3 European history 3 Gender studies, gender groups 3 Humanities 3 Political economy 3 Social theory 3 20th century history: c 1900 to c 2000 2 African history 2 Colonialism & imperialism 2 EU & European institutions 2 Earth sciences, geography, environment, planning 2 Education 2 Educational strategies & policy 2 Environmental policy & protocols 2 General & world history 2 Globalization 2 Islam 2 Literature: history & criticism 2 Marxism & Communism 2