The Water and Drainage History of Philadelphia: A seven-part course
Dauphin and Sydenham car crash, Jan. 17, 1978
Privy Cleaning Receipt, 1885
“A Decidedly Mixed Drink,” April 6, 1899
Bill for Privy Cleaning, 1869
Half a Century of Clean Water: The Clean Water Act, 1972-2022
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
Pegg’s Run, Northern Liberties (Watson’s Annals)
Jar of raw sewage before treatment, 2000
Northeast Sewage Plant opening, 1951