Map of Frankford Borough, 1845
Sewer systems, City of Philadelphia, 1927 and 1929
Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
Northeast Philadelphia history, one page at a time: The Holmesburg Library Scrapbook Collection
Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
Bridge Street Draw, looking north, ca. 1896
Map of the County of Philadelphia from Actual Survey, 1843