Sources
"Assessed Values of Real Estate in Philadelphia." Realty Publishing Co. Boston. 1917.
Franklin Fire Insurance Surveys. 1874.
"Marrone, Francis. "An Architectural Guidebook to Philadelphia." Gibbs-Smith Publisher: Salt Lake City. 1999
"Philadelphia Architecture: A Guide to the City." Foundation for Architecture. 1994
Teitelman, Edward and Longstreth, Richard W. "Architecture in Philadelphia: A Guide." MIT Press: Cambridge. 1974.
www.philadelphiabuildings.org
Photographs taken by Charlie Rubin
photos from the Jane Campbell collection were taken from documents obtained by The Historical Society of Pennsylvania: