Sewer systems, City of Philadelphia, 1927 and 1929
Bottled vs. Tap in 1906
MEET YOUR ENEMY: THE RAT
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
Typhoid Fever and sewage tainted drinking water: An 1889 report from the Philadelphia Board of Health
Supporting the party in power
Sewers, Pollution, and Public Health in 19th Century Philadelphia
CITIZENS’ BUSINESS: 1939-1946
