Columbia subject headings:
Delaware.
Historic buildings--Pennsylvania--Philadelphia.
Pennsylvania--History--Colonial period, ca. 1600-1775.
Tinicum Island (Pa.)
Harvard subject headings:
Delaware
Historic buildings--Pennsylvania--Philadelphia
Pennsylvania--History--Colonial period, ca. 1600-1775.
Philadelphia (Pa.)--Buildings, structures, etc.
Tinicum Island.
Princeton subject headings:
Delaware.
Pennsylvania--History--Colonial period, ca. 1600-1775.
Philadelphia (Pa.)--Historic houses, etc.
Tinicum Island