Politics & government International relations 92 Sociology 79 Sociology & anthropology 73 Comparative politics 64 Central government policies 57 Economics 54 Public administration 52 Regional studies 52 Warfare & defence 50 Society & culture: general 49 Development studies 48 Political economy 48 Political science & theory 48 Society & social sciences 45 Political structure & processes 44 Migration, immigration & emigration 42 Political structures: democracy 39 History of the Americas 34 Human rights 30 Development economics & emerging economies 29 Media studies 27 Ethnic studies 25 History 25 Cultural studies 24 Economic theory & philosophy 24 Peace studies & conflict resolution 24 Regional government 24 Education 23 Central government 22