The ecology of Center City, Philadelphia (in case you didn’t know there was any)
History of Belfield (1934)
Early photographs of Fairmount and vicinity, 1848
Early visions of Philadelphia’s airport
Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
Drawing Dock Creek
Cobbs Creek in the Days of the Old Powder Mill
Smith’s and Windmill Islands
The Worry of the Wires