Plans and maps of the Pennypack Creek Watershed in Philadelphia
Requiem for a stream: Adams Run in Oak Lane
Cobbs Creek: A Brief Historical Overview by Adam Levine
Streams, islands, and ferries of early Philadelphia
Delaware River at Arch Street from the New Jersey side, 1914
The City and Port of Philadelphia on the River Delaware from Kensington, 1800
Race Bridge, Fairmount Water Works, 1834
View of Fairmount Water Works, ca. 1827
