Indians--19th century 5 Indians--18th century 2 Asseola 1 Canals--Chesapeake and Delaware 1 Commerce--Philadelphia--19th century 1 Deeds--Pennsylvania--18th Century 1 Estate administration--19th century 1 more ... Germantown (Philadelphia, Pa.) 1 Germantown (Philadelphia, Pa.)--History 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 Historical Society of Pennsylvania--Speeches and lectures 1 History of Philadelphia 1 History--Publishing 1 Hobbyists--Pennsylvania 1 Indian relations--Pennsylvania--18th century 1 Indian--White Relations--18th century 1 Indian--White Relations--19th century 1 Indians--17th century 1 Indians--Pictorial representations--19th century 1 Indians--Six Nations Coalition--18th century 1 Land Settlement--Pennsylvania--18th century 1 Land settlement--Pennsylvania 1 Landscapes--Frontier Views--19th century 1 Landscapes--Mid-19th century 1 Maps--Pennsylvania 1 Maps--Pennsylvania--Bucks County 1 Maps--Pennsylvania--Philadelphia County 1 Mason-Dixon Line 1 Missionaries--Moravians--18th century 1 Native American History--Portraits 1 Native Americans--History 1 Native Americans--Treaties--18th century 1 Pennsylvania Views 1 Pennsylvania Views--19th century 1 Pennsylvania--Description and travel--19th century 1 less ...