Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
A Tour of Philadelphia’s Delaware River Waterfront in 1876
1882 Report from the Army Corps of Engineers on Navigation in Frankford Creek, Philadelphia
Leverington Avenue Stormwater Sewer
Cobbs Creek: A Brief Historical Overview by Adam Levine
Manayunk and the Schuylkill Navigation
Aramingo Canal, Then and Now
Panoramic Manayunk: Views Past and Present
Schuylkill Navigation Company Scrapbook
