Author
National Trust for Historic Preservation in the United States
8
Preservation Alliance for Greater Philadelphia
5
Cliveden of the National Trust for Historic Preservation
2
Kidney, Walter C.
2
New York State Historical Association
2
O'Connell, Merrilyn Rogers
2
Philadelphia Historic Preservation Corporation
2
Rath, Frederick L.
2
United States. National Park Service
2
Adler, Leopold, 1923-
1
Altoona Railroaders Memorial Museum
1
American Association for State and Local History
1
Arnold, Lee, 1959-
1
Clouse, Jerry A. 1950-
1
Custer, Jay F.
1
De Santis, Colleen
1
Delaware Historic Preservation Section
1
Delaware Section of Archaeology
1
Delaware Valley Regional Planning Commission
1
Dubrow, Gail Lee,
1
Eden, Judith Shuman d. 2008
1
Goodman, Jennifer B., 1964-
1
Greenberg, Gail
1
Grettler, David
1
Head House Conservancy
1
Healy, Joseph W.
1
Herr, Mickey
1
Hosmer, Charles Bridgham, 1932-
1
International Centre for the Study of the Preservation and the Restoration of Cultural Property
1
Jessup, Wendy Claire
1
Lancaster County Planning Commission
1
Mason, George C. 1820-1894
1
Middletown Township Historical Society (Lima, Pa.)
1
Nash, Gary B.
1
National Council for Historic Sites and Buildings
1
National Register of Historic Places
1
National Trust for Historic Preservation in the United States. Mid-Atlantic Regional Office
1
North American International Regional Conference Williamsburg, Va. and Philadelphia, Pa.)
1
O'Connell, Marrilyn Rogers
1
Potter, Leslie B.
1
Roberts, George B.
1
Shackamaxon Society of Pennsylvania
1
Shaffer, Mark
1
United States. Advisory Council on Historic Preservation. International Centre Committee
1
Valley Forge National Historical Park (Pa.)
1
Watson, Scott C.
1
Weyeneth, Robert R., 1950-
1
Wood, Kathleen Sinclair
1
Ziegler, Arthur P.
1
Ziegler, Arthur P., Jr
1