Ghosts of Water in Fairmount Park, Part II, with Adam Levine
Bottled vs. Tap in 1906
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
Supporting the party in power
CITIZENS’ BUSINESS: 1939-1946
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
The Water Supply Problem of Philadelphia, 1899
History of East Park Reservoir, Philadelphia, Pa., 1869-1889