Cobbs Creek: A Brief Historical Overview by Adam Levine
High Water: Flooding in Philadelphia
Glossary of Drainage Terms by C. Drew Brown
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
The Worry of the Wires
Wooden Pipes in Philadelphia
Beauty from Utility: The Architect of the Southwest Sewage Pumping Station
Lighthouses along the Delaware, 1913
Visions of the Schuylkill, 1884 and Now
Centre Square Water System
