Models of Change
Mount Moriah Historic Cemetery and Arboretum
Wingohocking Sewer across Penn St.
Buried Treasures No. 1: The Franklin Sugar Refinery
The ecology of Center City, Philadelphia (in case you didn’t know there was any)
Philadelphia’s Sewer Problem
Map Showing Districts, Boroughs & Townships Incorporated in Consolidation of Philadelphia in 1854
Sewer systems, City of Philadelphia, 1927 and 1929
History of Belfield (1934)
Early photographs of Fairmount and vicinity, 1848
