Philadelphia Navy Yard, July 1872
Queen Lane Pumping Station, proposed design
Darby, Delaware County, Pennsylvania, 1877
History of Belfield (1934)
Early photographs of Fairmount and vicinity, 1848
Frankford Creek Watershed: A historical overview of the Philadelphia section
Report on channelization of Frankford Creek for flood control (1947)
Photos from the Philadelphia Anglers’ Club
Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
