History 817 Census records 196 Politics and government 168 Churches 155 Description and travel 153 Societies, etc 140 Sources 101 more ... Clergy 98 Ethnic groups 98 Greek Americans 94 Indians of North America 84 Registers of births, etc 83 Social life and customs 74 Jews 69 Legislators 65 Iroquois Indians 62 African Americans 60 Genealogy 60 Lawyers 57 Histoire 55 Presbyterian 54 German Americans 51 Germans 47 Italian Americans 47 Periodicals 47 Social conditions 47 Emigration and immigration 46 Immigrants 46 Episcopal 43 Biography 40 Travel 40 Education 38 Church records and registers 37 Almanacs, American 36 Bibliography 36 Physicians 36 Archives 33 Canals 33 Presbyterians 33 Polish Americans 32 less ...