Schuylkill River from below the South Street Bridge, 1873
Chestnut Street Bridge, on the Schuylkill River (Picturesque America)
Schuylkill River from below the South Street Bridge, 1873
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868
Frankford Creek Watershed: A historical overview of the Philadelphia section
Frankford Creek Watershed Historical Timeline
Two Frankford Creek Bridges, 1896-1899
1882 Report from the Army Corps of Engineers on Navigation in Frankford Creek, Philadelphia
Manayunk and the Schuylkill Navigation
