Water, Water Everywhere – Philadelphia Record, 1937-03-14
Arch Street Ferry, Philadelphia
The City and Port of Philadelphia on the River Delaware from Kensington, 1800
Map of the County of Philadelphia from Actual Survey, 1843
Philadelphia the Manufacturing and Industrial Capital map, 1906
Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
“Philadelphie,” Bird’s Eye View, 1855
Bird’s eye view of Delaware River and Philadelphia, about 1840
Commencement of laying the main on the East side of the River, 1871