Map Lovers’ Monday: Philadelphia in 1957, according to the Pennsy
Map Lovers’ Monday: Topography of Philadelphia from 1863
Fairmount Water Works (Picturesque America)
Fairmount and Schuylkill, Appletons’ Journal, 1869
Last gasp of the Schuylkill Interceptor, December 20, 1956
Plan of Philadelphia, John Hills, 1796
Early photographs of Fairmount and vicinity, 1848