Supporting the party in power
Visions of the Schuylkill, 1884 and Now
Visionary planning report for Philadelphia region, 1928
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
The Water and Drainage History of Philadelphia, Part 2
Imagine a Day Without Water
