Social classes 31 Humanities 10 Development studies 6 Law 6 International relations 4 Sociology 4 Ethnic studies 3 Ecological science, the Biosphere 2 Economics, finance, business & management 2 Education 2 Politics & government 2 Poverty & unemployment 2 Regional studies 2 Social & cultural anthropology, ethnography 2 Social interaction 2 African history 1 Anthropology 1 Central government policies 1 Comparative politics 1 Development economics & emerging economies 1 Elections & referenda 1 European history 1 Folklore, myths & legends 1 Gender studies, gender groups 1 Gender studies: women 1 Islam 1 Political science & theory 1 Political structures: democracy 1 Psychology 1 Regional government 1