History 844 Census records 196 Politics and government 172 Description and travel 158 Churches 155 Societies, etc 141 Sources 107 more ... Clergy 98 Ethnic groups 98 Greek Americans 94 Indians of North America 86 Registers of births, etc 83 Social life and customs 75 Jews 70 Legislators 65 Iroquois Indians 63 Genealogy 62 African Americans 60 Lawyers 58 Histoire 55 Presbyterian 54 German Americans 52 Periodicals 49 Germans 48 Emigration and immigration 47 Immigrants 47 Italian Americans 47 Social conditions 47 Episcopal 43 Biography 42 Education 41 Travel 40 Almanacs, American 39 Bibliography 37 Church records and registers 37 Physicians 37 Archives 33 Canals 33 Presbyterians 33 Polish Americans 32 less ...