History 701 African Americans 274 Indians of North America 174 Politics and government 164 Race relations 164 Civil rights 133 Social conditions 129 more ... Presidents 107 Social life and customs 84 Racism 82 Civil rights movements 77 Documentary films 57 Immigrants 53 Emigration and immigration 52 Civil rights workers 49 Slavery 48 Ethnic identity 40 Foreign relations 37 Italian Americans 37 Suffrage 36 Assassination 35 Hispanic Americans 34 Study and teaching 34 Documentary television programs 33 Government relations 33 Race identity 32 Ethnic relations 31 Statesmen 31 Attitudes 30 Race discrimination 29 less ...