


Map of Philadelphia Harbor, Delaware and Schuylkill, 1912

Fairmount Park topographical map, showing East Park Reservoir, 1872

Dripps map of Frankford and vicinity, 1849

Pennypack Park Map

Plan of Philadelphia, John Hills, 1796

Map of Frankford Borough, 1845

Philadelphia Navy Yard, July 1872

Darby, Delaware County, Pennsylvania, 1877
