Birch’s Views of Philadelphia, 1800
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
Fairmount Water Works from the forebay, 1833
Fourth of July, Centre Square, ca. 1812
Map of Philadelphia showing Population in year 1920
Map of the County of Philadelphia from Actual Survey, 1843
New Mill House at Fairmount