Communism 29 History 8 African Americans 4 Civil rights 4 Communists 3 World War, 1939-1945 3 Conditions économiques 2 more ... Economic conditions 2 Economic history 2 Histoire 2 Political activity 2 Politics and government 2 Race relations 2 Ukrainians 2 Activité politique 1 Campaign management--United States 1 Communist trials 1 Election 1 Elections--Pennsylvania 1 Elections--Pennsylvania--Philadelphia 1 Elections--United States--Costs 1 Elections--United States--History 1 Elections--United States--Planning 1 Germans 1 Indians 1 Indians of North America 1 Indians of South America 1 Intellectual life 1 Lobbying 1 Loyalty-security program, 1947- 1 Municipal government--Pennsylvania--Philadelphia 1 Municipal officials and employees--Pennsylvania--Philadelphia 1 Museums--Law and legislation--United States 1 Museums--Pennsylvania 1 Museums--Pennsylvania--Philadelphia--20th century 1 Peace 1 Persecution 1 Personal narratives 1 Political aspects 1 Political campaigns--Law and legislation--United States 1 less ...