History of Belfield (1934)
Frankford Creek Watershed: A historical overview of the Philadelphia section
Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
Drawing Dock Creek
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Leverington Avenue Stormwater Sewer
CITIZENS’ BUSINESS: 1939-1946
Cobbs Creek: A Brief Historical Overview by Adam Levine
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868