Two views on the water supply, 1939
Last gasp of the Schuylkill Interceptor, December 20, 1956
You would not have wanted to drink it: Philadelphia’s water supply in 1884
Frankford Creek Watershed: A historical overview of the Philadelphia section
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
Kensington Water Supply in 1883
Sewers, Pollution, and Public Health in 19th Century Philadelphia