Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
High Water: An Informal History of Flooding in Philadelphia
Rebirth of the Rivers: Water History Video 3
Pennypack Park Map
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Mount Moriah Historic Cemetery and Arboretum
Frankford Creek Watershed Historical Timeline
Drawing Dock Creek
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
