Birch’s Views of Philadelphia, 1800
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
From Creek To Sewer
The Water and Drainage History of Philadelphia: A seven-part course
The Water and Drainage History of Philadelphia, Part 6
The Water and Drainage History of Philadelphia, Part 5
The Water and Drainage History of Philadelphia, Part 4
The Water and Drainage History of Philadelphia, Part 3
