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
Board of Health Newspaper Clipping Scrapbooks at City Archives of Philadelphia, 1891-1908
Sewers, Pollution, and Public Health in 19th Century Philadelphia
The Water and Drainage History of Philadelphia: A seven-part course
Half a Century of Clean Water
Pegg’s Run, Northern Liberties (Watson’s Annals)
Swimmers at Pier 126, Delaware River, July 15, 1918
Keystone Saw Works