Two views on the water supply, 1939
Army Corps of Engineers 1882 Report on Navigation in Frankford Creek
Creek to Sewer: Water History Video 1
The Schuylkill Navigation: A Journey on the Historic Nineteenth Century Waterway
High Water: An Informal History of Flooding in Philadelphia
History of Water in Roxborough: A talk by Adam Levine
Rebirth of the Rivers: Water History Video 3
Schuylkill River watershed, population in 1904
Sandy Run Watershed and the Holmesburg Water Works
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912