


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

From Creek To Sewer

Three reports on Philadelphia’s Sewage Treatment Project, 1911-1914

The Water and Drainage History of Philadelphia: A seven-part course

The Water and Drainage History of Philadelphia, Part 6

The Water and Drainage History of Philadelphia, Part 5

The Water and Drainage History of Philadelphia, Part 4

The Water and Drainage History of Philadelphia, Part 3

The Water and Drainage History of Philadelphia, Part 2
