Other
National Trust for Historic Preservation in the United States
4
Preservation Alliance for Greater Philadelphia
3
Kidney, Walter C.
2
Adler, Leopold, 1923-
1
American Association for State and Local History
1
Delaware Historic Preservation Section
1
Delaware Section of Archaeology
1
Delaware Valley Regional Planning Commission
1
Greenberg, Gail
1
Healy, Joseph W.
1
Hosmer, Charles Bridgham, 1932-
1
Middletown Township Historical Society (Lima, Pa.)
1
National Council for Historic Sites and Buildings
1
National Register of Historic Places
1
Potter, Leslie B.
1
United States. National Park Service
1
Ziegler, Arthur P.
1
Ziegler, Arthur P., Jr
1