Water Bureau Newspaper Scrapbook, 1942-1952
High Water: An Informal History of Flooding in Philadelphia
Rebirth of the Rivers: Water History Video 3
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
High Water: Flooding in Philadelphia
Half a Century of Clean Water
Map of Philadelphia showing Population in year 1920
Philadelphia the Manufacturing and Industrial Capital map, 1906
1779 Revolutionary War-era map of Philadelphia and environs