Plans and maps of the Pennypack Creek Watershed in Philadelphia
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
Drawing Dock Creek
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Cobbs Creek in the Days of the Old Powder Mill
Dock Creek Sewer in 1849: A report on its condition made to City Councils
