History 217 Description and travel 105 Travel 60 Chinese 57 Politics and government 56 Social conditions 53 Japanese Americans 52 more ... Gold discoveries 50 Chinese Americans 43 Ethnic groups 41 Emigration and immigration 38 Biography 37 Japanese 36 Social life and customs 35 Gold mines and mining 30 Societies, etc 30 Indians of North America 29 Italian Americans 28 Slavery 27 Economic conditions 25 Germans 24 Periodicals 23 African Americans 22 Churches 22 Mexican Americans 22 Religious life 22 History, Local 21 Italians 20 Extension to the territories 19 Race relations 19 Armenian Americans 18 Education 18 Compromise of 1850 17 Russians 17 French 16 Histoire 16 Jews 16 Descriptions et voyages 15 Employment 14 Minorities 14 less ...