Birch’s Views of Philadelphia, 1800
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
Requiem for a stream: A brief history of Dobson’s Run
From Creek To Sewer
The Sad History of Frankford Creek
Two reports on the state of the Schuylkill River, 1867
Frankford Creek: Sad History of an Urban Stream title page
“A Snake That Will Be Straightened Out,” map of Frankford Creek with proposed changes, 1949
