State of the Schuylkill River in 1876: Sewage pollution and possible remedies
Drainage and Sewerage Report, 1853
Dealing with the city’s wastes in the mid-19th century
Three reports on Philadelphia’s Sewage Treatment Project, 1911-1914
The Water and Drainage History of Philadelphia: A seven-part course
Down Under!
Imagine a Day Without Water
“Philadelphia Underground,” Jan. 29, 1961
Standard Philadelphia (B) Hydrant
Diagram showing heights of reservoirs, dams, standpipes &c, 1894