Politics and government History 286 Foreign relations 189 Civil rights 112 Underground press publications 108 Presidents 103 Social conditions 97 Political aspects 90 Protest movements 79 Vietnam War, 1961-1975 75 Political activists 74 Counterculture 72 Race relations 63 Radicalism 49 Political culture 45 African Americans 42 Election 41 Student movements 41 Democracy 39 Economic conditions 38 Political activity 35 Conservatism 31 Social movements 30 Mass media 28 Causes 25 Social aspects 25 Political campaigns 24 Public opinion 23 Relations 22 Economic policy 20