Author
United States. National Park Service
10
Philadelphia Historical Commission
8
Historical Society of Pennsylvania
6
Philadelphia (Pa.) Bureau of City Property
6
Pancoast, Charles R., 1858-
5
Tinkcom, Margaret B. 1907-
5
Committee of 1926 of Pennsylvania
4
Historic Philadelphia, Inc
4
Lutz, K. F. 1896-
4
Peterson, Charles E. 1906-2004
4
Philadelphia Record
4
Williams, Brown & Earle (Philadelphia, Pa.)
4
Batcheler, Penelope Hartshorne
3
Jackson, Joseph, 1867-1946
3
Keels, Thomas H.
3
Leeds, Joseph
3
Philadelphia City Planning Commission
3
Simon, Grant Miles, 1887-1967
3
Clemens, Thomas E.
2
Cliveden of the National Trust (Philadelphia, Pa.)
2
Eberlein, Harold Donaldson
2
Feaver, Jane
2
Frey, Carroll, 1894-
2
Friends of Independence National Historical Park
2
Harbeson, Hough, Livingston & Larson, Architects
2
Hubbard, Cortlandt Van Dyke,
2
Jenkins, Charles Francis, 1865-1951
2
John Milner Associates
2
Lowrie, Sarah Dickson, 1870-1957
2
Ludlum, Mabel Stewart
2
National Society of the Colonial Dames of America in the Commonwealth of Pennsylvania
2
Otte, Kate
2
Penn Mutual Life Insurance Company
2
Philadelphia (Pa.). Redevelopment Authority
2
Philadelphia Historic Preservation Corporation
2
Philadelphia Society for the Preservation of Landmarks
2
Philadelphia Yearly Meeting of the Religious Society of Friends
2
Preservation Coalition of Greater Philadelphia
2
Rau, William Herman, 1855-1920
2
Skaler, Robert Morris
2
Stitt, Sue
2
Strawberry Mansion Washington Tours' Committee
2
Victorian Society in America
2
Adams, Bertha
1
Adelman, Jacob
1
Alexander, John K.
1
Alliance française de Philadelphie
1
American Institute of Architects Convention
1
American Philosophical Society
1
American Society of Planning Officials Meeting
1
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