History 905 Social conditions 291 Indians of North America 235 Politics and government 170 Social aspects 160 Gays 141 Women 138 more ... Race relations 122 Feminism 112 Homosexuality 108 Lesbians 102 Social life and customs 95 Description and travel 89 Motion picture industry 87 Political activity 86 Ethnic relations 84 Emigration and immigration 83 African Americans 81 Gold discoveries 78 Mexican Americans 75 Women's rights 72 Immigrants 71 Economic conditions 70 Gay liberation movement 69 Gay community 67 Motion pictures 64 Environmental aspects 62 Law and legislation 60 Ethnic identity 55 Political aspects 53 less ...