Political science 504 Political Science 423 Emigration and immigration 225 Human Migration 209 Political Sociology 197 Political sociology 197 Public administration 122 International relations 121 International Relations 108 Public Administration 107 Comparative government 102 Comparative Politics 99 Sociology 83 International economic relations 73 Equality 66 Social Structure 63 Social structure 63 Political planning 62 Economic policy 57 Public Policy 57 Social policy 57 Economic Policy 56 Culture 54 History 54 Political Theory 54 European Politics 51 Europe—Politics and government 51 Ethnology 49 Social Policy 48 International Political Economy’ 47