History 762 Social conditions 161 Social life and customs 87 Politics and government 84 Social aspects 75 Race relations 73 Mexican Americans 70 more ... Indians of North America 66 African Americans 61 Motion picture industry 60 Manners and customs 58 Art 52 Ethnic relations 49 Ethnic identity 48 Motion pictures 47 Art collections 46 Description and travel 46 Gold mines and mining 46 Japanese Americans 46 Law reviews 46 Art museums 45 Artists' books 43 Immigrants 43 Gold discoveries 42 Photograph collections 40 Economic conditions 38 Private collections 38 Chinese Americans 37 History and criticism 37 Exhibitions 36 less ...