The Sad History of Frankford Creek
Two reports on the state of the Schuylkill River, 1867
Streams, islands, and ferries of early Philadelphia
Dauphin and Sydenham car crash, Jan. 17, 1978
Half a Century of Clean Water
Thomas Run sewer outlet at Cobbs Creek
Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
Bird’s eye view of Delaware River and Philadelphia, about 1840
The Fairmount Quadrilles, 1836