Politics and government History 2,536 Social conditions 690 Foreign relations 587 Economic conditions 522 Political aspects 319 Democracy 249 Nationalism 249 Economic policy 239 Political parties 225 Political culture 197 Political activity 179 Presidents 153 Civil rights 134 Communism 133 Race relations 126 World War, 1939-1945 121 Underground press publications 118 Ethnic relations 112 Protest movements 111 Socialism 111 Fascism 110 Politicians 110 Public opinion 109 Addresses, essays, lectures 105 Elections 104 Influence 102 Social policy 101 Conservatism 100 Prime ministers 100