Dock Creek Sewer in 1849: A report on its condition made to City Councils
Cobbs Creek: A Brief Historical Overview by Adam Levine
High Water: Flooding in Philadelphia
The Worry of the Wires
From Creek To Sewer
Manayunk and the Schuylkill Navigation
Aramingo Canal, Then and Now
Drainage and Sewerage Report, 1853
Down Under!
Two reports on the state of the Schuylkill River, 1867