Pennsylvania--History--Colonial period, ca. 1600-1775 12 Pennsylvania--History--Colonial period, ca. 1600-1775--Sources 11 Pennsylvania--History 4 Mason-Dixon Line 2 Penn, William 2 Pennsylvania--History--1775-1865 2 United States--History--Colonial period, ca. 1600-1775 2 more ... United States--History--Revolution, 1775-1783 2 American Swedish Historical Museum (Philadelphia, Pa.) 1 Arithmetic--Textbooks--Early works to 1900 1 Boundary disputes 1 Brandywine, Battle of, Pa., 1777 1 Canals--Chesapeake and Delaware 1 Chronology, Historical 1 Commerce--Philadelphia--19th century 1 Decedents’ estates--Pennsylvania 1 Delaware--Politics and government--17th century 1 Dunkard Brethren 1 Dunn, Mary Maples Dunn, Mary Maples 1 Dunn, Richard S. 1 Ephrata Cloister 1 Episcopal Church--Pennsylvania--Philadelphia 1 Estate administration--19th century 1 Fraktur art--Pennsylvania 1 Geomancy--Early works to 1800 1 German Americans--Music 1 German Baptist Brethren (U.S.)--Pennsylvania 1 German language--18th century--Dictionaries 1 Germantown (Philadelphia, Pa.) 1 Germantown (Philadelphia, Pa.)--History 1 Germantown (Philadelphia, Pa.)--History--Colonial period, ca. 1600-1775 1 Graeme Park, Pa 1 Historians--19th century 1 Historians--Pennsylvania 1 Historical Society of Pennsylvania 1 Historical Society of Pennsylvania--Founding members 1 Historical Society of Pennsylvania--Researchers 1 History of Philadelphia 1 History--Publishing 1 Hobbyists--Pennsylvania 1 less ...