History 40 African Americans 14 Jews 11 Social conditions 8 Politics and government 7 Social life and customs 7 Generals 6 more ... Campaigns 5 Description and travel 5 Ethnic relations 5 History and criticism 5 Race relations 5 African American authors 4 American drama 4 Economic conditions 4 Railroads 4 Civilization 3 Emigration and immigration 3 Frontier and pioneer life 3 Histoire 3 Juifs 3 Minorities 3 Music 3 Philosophy 3 Political activity 3 Social aspects 3 Travel 3 Women 3 African Americans in the motion picture industry 2 Biography 2 Chinese Americans 2 City and town life 2 Cultural assimilation 2 Delaware Indians 2 History of doctrines 2 Intellectual life 2 Jewish women 2 Joden 2 Juden 2 Manners and customs 2 less ...