A Brief History of Water in Northwest Philadelphia
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Water Department Newsletters, 1959-1997
Water Bureau Newspaper Scrapbook, 1942-1952
Plans and maps of the Pennypack Creek Watershed in Philadelphia
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.
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
