Indians--18th century 7 Indian--White Relations--18th century 2 Indians--19th century 2 Iroquois Indians--18th century 2 Six Nations 2 Berks County (Pa.)--History 1 Berks County (Pa.)--History--18th century 1 more ... Canals--Chesapeake and Delaware 1 Commerce--Philadelphia--19th century 1 Commerce--West Indies--18th century 1 Deeds--Pennsylvania--18th Century 1 Delaware Indians--18th century 1 Dry goods--18th century 1 Estate administration--19th century 1 Friendly Association for Regaining and Preserving Peace with the Indians by Pacific Measures 1 Frontier Life--Pennsylvania--18th century 1 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 History of Philadelphia 1 History--Publishing 1 Hobbyists--Pennsylvania 1 Indian relations--Pennsylvania--18th century 1 Indian--White Relations--19th century 1 Indians of North America--Languages 1 Indians of North America--Pennsylvania--18th century 1 Indians of North America--Treatie 1 Indians--17th century 1 Indians--Six Nations Coalition--18th century 1 Iron manufacturing--Pennsylvania--18th century 1 Iroquois Indians--Early works to 1800 1 Iroquois Indians--Government relations 1 Iroquois Indians--Government relations--To 1789 1 Iroquois Indians--Land tenure 1 Iroquois Indians--Land tenure--Early works to 1800 1 less ...