History 902 Census records 196 Societies, etc 192 Politics and government 180 Description and travel 170 Churches 161 Ethnic groups 141 more ... Greek Americans 138 Sources 108 Clergy 100 Indians of North America 88 Social life and customs 87 Jews 85 Registers of births, etc 83 German Americans 70 Germans 67 Histoire 67 African Americans 66 Genealogy 66 Iroquois Indians 65 Legislators 65 Italian Americans 62 Lawyers 59 Immigrants 54 Presbyterian 54 Social conditions 53 Emigration and immigration 52 Travel 51 Periodicals 50 Education 45 Polish Americans 45 Episcopal 43 Biography 42 Italians 42 Almanacs, American 40 Bibliography 37 Church records and registers 37 Lithuanian Americans 37 Physicians 37 Archives 34 less ...