Author
National Trust for Historic Preservation in the United States
6
Philadelphia Historical Commission
4
United States. National Park Service
4
Historical Society of Pennsylvania
3
Leeds, Joseph
3
Philadelphia Historic Preservation Corporation
3
Preservation Alliance for Greater Philadelphia
3
Tinkcom, Margaret B. 1907-
3
Batcheler, Penelope Hartshorne
2
Cotton, Randy
2
Historic American Buildings Survey
2
Kidney, Walter C.
2
Moorland Studios Inc
2
Philadelphia (Pa.). Redevelopment Authority
2
Philadelphia City Planning Commission
2
Preservation Coalition of Greater Philadelphia
2
Simon, Grant Miles, 1887-1967
2
Adler, Leopold, 1923-
1
American Association for State and Local History
1
American Institute of Architects
1
Appelbaum, Barbara
1
Auer, Michael
1
Brandywine Conservancy
1
Brumbaugh, G. Edwin
1
Building Research Institute, Washington, D.C
1
Burke, Bobbye, 1929-
1
Butler, Marigene H.
1
Degen, Paula A.
1
Delaware Historic Preservation Section
1
Delaware Section of Archaeology
1
Delaware Valley Regional Planning Commission
1
Delaware. Bureau of Archaeology and Historic Preservation
1
Delaware. Division of Highways. Location and Environmental Studies Office
1
Delaware. Division of Historical and Cultural Affairs
1
Dixon, Stuart P.
1
Foundation for Historic Restoration in Pendleton Area (S.C.)
1
Frederick Gordon & Co
1
Gagne, Cole
1
Gamble, Robert S.
1
Greenberg, Gail
1
Groff, John M.
1
Historic Charleston Foundation (Charleston, S.C.)
1
Historic Religious Properties Program (Philadelphia, Pa.)
1
Hosmer, Charles Bridgham, 1932-
1
Huth, Hans, 1892-
1
Independence National Historical Park (Philadelphia, Pa.)
1
James Madison's Montpelier (Organization)
1
John Milner Associates
1
Judd, Henry A.
1
Kate Otte Illustration & Design
1
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