The pipe beneath the rocky path
Map Lovers’ Monday: Topography of Philadelphia from 1863
Map Lover’s Monday: Fairmount Park, 1869
Scenes on the Wissahickon Creek (Picturesque America)
Wissahickon Creek near the Paper Mill Bridge (Picturesque America)
Drive along the Wissahickon Creek Vallley (Picturesque America)
Streams, islands, and ferries of early Philadelphia