History 207 Description and travel 104 Travel 59 Chinese 54 Gold discoveries 50 Social conditions 49 Politics and government 46 more ... Chinese Americans 37 Biography 36 Emigration and immigration 36 Japanese 34 Japanese Americans 33 Social life and customs 32 Ethnic groups 30 Gold mines and mining 30 Slavery 27 Economic conditions 23 History, Local 21 Indians of North America 20 Mexican Americans 20 African Americans 19 Extension to the territories 19 Race relations 19 Compromise of 1850 17 Education 17 French 16 Germans 16 Italian Americans 16 Descriptions et voyages 14 Italians 14 Anniversaries, etc 13 Employment 13 Histoire 13 Legal status, laws, etc 13 Minorities 13 Agricultural laborers 12 Bibliography 12 Law and legislation 12 Mexicans 12 Missions 12 less ...