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
Stormwater Songs by John and Jan Haigis
Cobbs Creek in the Days of the Old Powder Mill
A Tour of Philadelphia’s Delaware River Waterfront in 1876
1826 Report of the Committee of Delaware County on the subject of Manufactories, Unimproved Mill Seats, etc. in said county.
1882 Report from the Army Corps of Engineers on Navigation in Frankford Creek, Philadelphia
Typhoid Fever and sewage tainted drinking water: An 1889 report from the Philadelphia Board of Health
Kensington Water Supply in 1883
