History 1,366 Social conditions 415 Politics and government 195 Social aspects 194 Race relations 169 Indians of North America 164 Social life and customs 163 more ... Description and travel 139 Motion picture industry 131 Gold mines and mining 125 Mexican Americans 125 African Americans 119 Ethnic relations 118 Gold discoveries 117 Immigrants 104 Motion pictures 104 Law and legislation 102 Ethnic identity 99 Economic conditions 98 History and criticism 96 Manners and customs 90 Artists' books 84 Emigration and immigration 81 Architecture 79 Japanese Americans 75 Chinese Americans 73 Political aspects 73 Government policy 69 Political activity 65 Art 62 less ...