History 197 Description and travel 56 Chinese 51 Politics and government 50 Social conditions 49 Japanese Americans 44 Chinese Americans 41 more ... Emigration and immigration 38 Biography 37 Ethnic groups 33 Japanese 30 Indians of North America 29 Social life and customs 29 Gold discoveries 28 Slavery 27 Economic conditions 23 Periodicals 23 African Americans 22 Mexican Americans 22 History, Local 21 Extension to the territories 19 Italian Americans 19 Race relations 19 Societies, etc 19 Compromise of 1850 17 Armenian Americans 16 Education 16 Jews 16 Churches 15 Employment 14 Germans 14 Religious life 14 Agricultural laborers 13 Asian Americans 13 Italians 13 Legal status, laws, etc 13 Travel 13 Bibliography 12 Histoire 12 Law and legislation 12 less ...