History 841 Census records 196 Politics and government 173 Churches 141 Description and travel 129 Sources 99 Clergy 94 more ... Indians of North America 83 Registers of births, etc 83 Jews 78 Social life and customs 71 Legislators 65 Genealogy 64 Iroquois Indians 64 African Americans 63 Histoire 59 Lawyers 55 Presbyterian 54 Social conditions 50 Emigration and immigration 48 Periodicals 48 Immigrants 47 Societies, etc 47 Episcopal 43 Italian Americans 42 Biography 40 Bibliography 36 Church records and registers 36 Physicians 36 Archives 34 Education 34 Almanacs, American 33 Presbyterians 33 Seneca Indians 33 Canals 32 Dutch 32 Irish Americans 32 Irish 30 Polish Americans 30 Dutch Americans 29 less ...