History 1,006 Sources 222 Registers of births, etc 180 Genealogy 126 Vital records 123 Politics and government 119 Church records and registers 92 more ... African Americans 88 Bibliography 77 Indians of North America 72 Archives 71 Huguenots 62 Heraldry 59 Description and travel 58 Biography 55 Emigration and immigration 51 Social conditions 50 Histoire 45 Social life and customs 43 Visitations, Heraldic 43 Jews 41 Slavery 41 Economic conditions 36 Marriage records 36 Education 34 Church history 30 Foreign relations 29 Probate records 29 Minorities 28 Pennsylvania Dutch 27 Crime 26 Government publications 26 Catalogs 23 Folklore 23 Germans 23 Manuscripts 23 Catholics 22 Labor unions 22 Antiquities 20 Archival resources 20 less ...