Author
Philadelphia Historical Commission
8
United States. National Park Service
6
Philadelphia (Pa.) Bureau of City Property
5
Tinkcom, Margaret B. 1907-
5
Peterson, Charles E. 1906-2004
4
Faris, John Thomson, 1871-1949
3
Philadelphia Historic Preservation Corporation
3
Diocesan Missionary Society of the Protestant Episcopal Church in Pennsylvania
2
Lebanon County Historical Society (Pa.)
2
Lutz, K. F. 1896-
2
Philadelphia (Pa.)
2
Philadelphia (Pa.). Councils
2
Philadelphia Museum of Art
2
Preservation Coalition of Greater Philadelphia
2
Simon, Grant Miles, 1887-1967
2
Adair, J. M.
1
Advance Building and Loan Association of the City and County of Philadelphia
1
Aiken, A. S.
1
American Institute of Architects Convention
1
American Institute of Architects. Philadelphia Chapter
1
American Society of Planning Officials Meeting
1
Athenaeum of Philadelphia
1
Baker, Cornelius
1
Barton, George, 1866-1940
1
Batcheler, Penelope Hartshorne
1
Baumert, Carl
1
Brownlee, David Bruce
1
Campbell, Jane
1
Carl Schurz Memorial Foundation
1
Carnahan, Frances
1
Carpenters' Company of the City and County of Philadelphia
1
Center City Residents' Association (Philadelphia, Pa.)
1
Chelten Trust Company (Philadelphia, Pa.)
1
Chestnut Hill Historical Society
1
Citizens' Council on City Planning (Philadelphia, Pa.)
1
Civic Club of Philadelphia
1
Cohen, Jeffrey A., 1952-
1
Committee of 1926 of Pennsylvania
1
Cook, Claudia
1
Cox, S. L.
1
Creuziger, Karen
1
Daughters of the American Revolution Haddonfield Chapter (Haddonfield, N.J.)
1
Delaware County (Pa.). Planning Department
1
Delaware County Historical Society
1
Delaware County Historical Society (Pa.)
1
Detweiler, Margaret
1
Dorman, Charles G.
1
Doyle & Company
1
Drexel & Co. (Philadelphia, Pa.)
1
Dudden, Arthur Power, 1921-
1
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