History African Americans 108 Social life and customs 55 Race relations 52 Women 51 Civil rights 46 Civil rights movements 31 more ... World War, 1939-1945 31 Children 29 Indigenous peoples 25 Civil rights workers 24 Social conditions 24 Frontier and pioneer life 23 Jews 23 Generals 20 Kings and rulers 19 Description and travel 18 Slavery 18 Civilization 16 Family members 16 Kings, queens, rulers, etc 16 Politics and government 16 African American women 15 Enslaved persons 14 Presidents 14 Childhood and youth 13 Segregation in transportation 13 Holocaust, Jewish (1939-1945) 12 Campaigns 11 Discovery and exploration 11 less ...