The Schuylkill and Wissahickon banks in 1858
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
Manayunk and the Schuylkill Navigation
Aramingo Canal, Then and Now
Panoramic Manayunk: Views Past and Present
Schuylkill Navigation Company Scrapbook
Half a Century of Clean Water: The Clean Water Act, 1972-2022
Dobson’s Mill, 1884, from History of Philadelphia by Scharf & Wescott
Philadelphia the Manufacturing and Industrial Capital map, 1906
Charles Spencer & Co., Leicester Knitting Mills, Germantown, Philadelphia