Cobbs Creek: A Brief Historical Overview by Adam Levine
Northeast Philadelphia history, one page at a time: The Holmesburg Library Scrapbook Collection
Mill Creek Sewer under construction, 1883
Fairmount Gardens with the Schuylkill Bridge, 1839
Fairmount Water Works, W.H. Bartlett, 1839
Fairmount Water Works from the forebay, 1833
Fourth of July, Centre Square, ca. 1812
Wooden Water Pipe, removed from Market Street, December 6, 1901
Centre Square Engine House, ca. 1807
Southeast Corner of Third and Market, Philadelphia