Map Lovers’ Monday: Topography of Philadelphia from 1863
Dripps map of Frankford and vicinity, 1849
History of Belfield (1934)
Frankford Creek Watershed: A historical overview of the Philadelphia section
Report on channelization of Frankford Creek for flood control (1947)
Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
Two Frankford Creek Bridges, 1896-1899
1882 Report from the Army Corps of Engineers on Navigation in Frankford Creek, Philadelphia
Filling Low Land: A Story of Ash-Dumping in the Wingohocking Creek Watershed