Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
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
Plan of Philadelphia, John Hills, 1796
Drawing Dock Creek
The Manayunk Expressway
Dock Creek Sewer in 1849: A report on its condition made to City Councils
Visions of the Schuylkill, 1884 and Now
Centre Square Water System
