Schuylkill River from below the South Street Bridge, 1873
Scenes on the Wissahickon Creek (Picturesque America)
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868
Plan of Philadelphia, John Hills, 1796
Girard Avenue Bridge, Fairmount Park, 1895
Queen Lane Pumping Station, proposed design
Centre Square Water System, Drawings of Intake Basin
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Centre Square Water Works, Latrobe Plans, 1799
