Author
United States. Federal Highway Administration
57
Delaware. Division of Highways. Location and Environmental Studies Office
56
Delaware. Bureau of Archaeology and Historic Preservation
52
Custer, Jay F., 1955-
28
National Trust for Historic Preservation in the United States
19
Catts, Wade P.
12
Bachman, David C.
10
Delaware. Department of Transportation. Division of Planning. Location and Environmental Studies Office
10
Delaware. State Historic Preservation Office
10
Grettler, David J.
8
U.S Federal Highway Administration
8
Coleman, Ellis C.
7
Heite, Edward F.
7
Delaware Bureau of Archaeology and Historical Preservation
6
Hoseth, Angela
5
Preservation Alliance for Greater Philadelphia
5
Delaware. Department of Transportation
4
Hodny, Jay
4
Philadelphia Historic Preservation Corporation
4
United States. National Park Service
4
Watson, Scott C.
4
Bowers, Martha H.
3
Heite, Louise B.
3
O'Connell, Merrilyn Rogers
3
Pennsylvania Historical and Museum Commission
3
Pennsylvania Historical and Museum Commission. Bureau for Historic Preservation
3
Rath, Frederick L.
3
Shaffer, Mark
3
American Association for State and Local History
2
Blume, Cara L.
2
Cliveden of the National Trust for Historic Preservation
2
Custer, Jay F.
2
De Santis, Colleen
2
Delaware Dividion of Highways Location and Environmental Studies Office
2
Delaware. Division of Historical and Cultural Affairs
2
Ewing Township Historic Preservation Society
2
Jamison, JoAnn
2
Johnson, Elizabeth Jones
2
Kidney, Walter C.
2
New York State Historical Association
2
Taylor, Randolph K.
2
Thompson, Timothy A.
2
Tinkcom, Margaret B. 1907-
2
University of Delaware. Center for Archaeological Research
2
A.D. Marble & Co
1
AFL-CIO
1
Abney, George
1
Acer Associates, LLC
1
Adler, Leopold, 1923-
1
Aiken, Joan L., 1914-
1
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