History 21 Sociology 11 Methodology 9 Addresses, essays, lectures 8 Foreign relations 8 Politics and government 7 Social aspects 7 International relations 6 Leadership 6 Management 6 Social conditions 6 Social sciences 6 Military policy 4 Organization 4 Philosophy 4 Political parties 4 Public opinion 4 Social psychology 4 Economic policy 3 Environmentalism 3 Jews 3 Political psychology 3 Presidents 3 Research 3 Study and teaching 3 Child molesting 2 Civilization 2 Communication 2 Comparative government 2 Competition, International 2