History 38 Sources 11 Genealogy 5 African Americans 4 Death notices 4 Marriage records 4 Obituaries 4 more ... Politics and government 4 Registers of births, etc 4 Underground Railroad 4 Enslaved persons 3 Fugitive slaves 3 Historic sites 3 Pennsylvania--History--1775-1865 3 Race relations 3 Slavery 3 Social conditions 3 Abolitionists 2 Biography 2 Indians of North America 2 Merchants 2 Pennsylvania Dutch 2 Pennsylvania--History 2 Pennsylvania--History--Colonial period, ca. 1600-1775 2 Soldiers 2 Yellow fever 2 Canals--Chesapeake and Delaware 1 Claims 1 Commerce--Philadelphia--19th century 1 Constitutional history 1 Cultural assimilation 1 Defenses 1 Description and travel 1 Economic conditions 1 Education--Pennsylvania--History 1 Elections 1 Emancipation 1 Epidemics 1 Estate administration--19th century 1 Ethnic identity 1 less ...