Communism African Americans 27 Politics and government 27 History 25 Socialism 18 Civil rights 17 Subversive activities 15 more ... World War, 1939-1945 14 Social conditions 11 Anti-communist movements 10 Labor and laboring classes 10 Race relations 10 Communist 8 Internal security 8 Labor unions 8 Foreign relations 7 Communists 6 Personal narratives 6 Political activity 6 Communist trials 5 Depressions 5 Economic conditions 5 Slovak Americans 5 Américains d'origine slovaque 4 Campaign literature, 1948 4 Collective settlements 4 Communisme 4 Germans 4 Histoire 4 Political parties 4 Propaganda, Russian 4 African American communists 3 Civilization 3 Coal miners 3 Economic history 3 Fascism 3 Labor unions and communism 3 May Day (Labor holiday) 3 Motion pictures 3 Patriotic poetry 3 less ...