Anonymous. Memoirs and Auto-Biography of Some of the Wealthy Citizens of Philadelphia. By a merchant of Philadelphia. Philadelphia: The Booksellers, 1846.
Anonymous. "The Rich Men of Philadelphia" - Income Tax of the Residents of Philadelphia and Bucks County for the Year Ending April 30, 1865. Philadelphia, 1865.
Brenz , Mary. The Care of the Poor People in Philadelphia from Colonial Times to 1971: an Annotated Bibliography . Harrisburg , Commonwealth of Pennsylvania , Dept. of Public Welfare, 1972.
Chudacoff, Howard and Judith Smith. The Evolution of American Urban Society. Prentice Hall: Englewood Cliffs, New Jersey, 1994.
Davis, Allen F. and Mark H. Haller, eds. The Peoples of Philadelphia : A History of Ethnic Groups and Lower-Class Life, 1790-1940. Pennsylvania Paperbacks, 1998.
Hershberg, Theodore. The Philadelphia Social History Project: A Methodical History, 1973 (PhD dissertation, Stanford University )
McElroy's Philadelphia City Directories: 1844, 1846, 1847, 1865, 1866. Located at the Historical Society of Philadelphia and the American Philosophical Society
Mohl, Raymond, ed. The Making of Urban America. SR: Books: Wilmington, 1997. 2nd edition.
The Philadelphia Club. Charter, By-Laws, Officers and Members of the Philadelphia Club . Philadelphia , Burk and McFetridge, 1885.
The Philadelphia Club. The Philadelphia Club 1834-1934: Being a Brief History of the Club for the First Hundred Years . Privately printed, 1934.
US Geological survey: http://mcmcweb.er.usgs.gov/phil/philhistory.html
Maps of historic Philadelphia:
1842, Perry- Castañeda Library, The University of Texas
1849, McElroy pub., The Historical Society of Pennsylvania
1855, Colton and Co. pub., The Historical Society of Pennsylvania