State House Garden, Philadelphia, 1800
The City and Port of Philadelphia on the River Delaware from Kensington, 1800
Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
Outhouse over the Schuylkill near Pottstown
Fairmount Park, bird’s eye view from Lemon Hill, detail
Leslie’s Illustrated Newspaper, Schuylkill Flood 1869
Race Bridge, Fairmount Water Works, 1834
View of Fairmount Water Works, ca. 1827
Plan of Lemon Hill and Sedgley Park, Fairmount and Adjoining Property, 1851
New Plan of Philadelphia, John A. Paxton, 1811