Buried Treasures No. 1: The Franklin Sugar Refinery
Early photographs of Fairmount and vicinity, 1848
Early visions of Philadelphia’s airport
Frankford Creek Watershed: A historical overview of the Philadelphia section
Report on channelization of Frankford Creek for flood control (1947)
Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
