Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Plan of Philadelphia, John Hills, 1796
Dock Creek Sewer in 1849: A report on its condition made to City Councils
Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Delaware River at Arch Street from the New Jersey side, 1914
Arch Street Ferry, Philadelphia
Map of the County of Philadelphia from Actual Survey, 1843
“Philadelphie,” Bird’s Eye View, 1855
Bird’s eye view of Delaware River and Philadelphia, about 1840