Author
National Trust for Historic Preservation in the United States
4
Friends of Independence National Historical Park
3
Preservation Alliance for Greater Philadelphia
3
Chapel Hill Historical Society
2
Preservation Coalition of Greater Philadelphia
2
Cliveden of the National Trust (Philadelphia, Pa.)
1
Friends of Stenton
1
Historic Philadelphia, Inc
1
Lowrey, Olan B.
1
Montpelier Foundation (Orange, Va.)
1
Morven (Princeton, N.J.)
1
National Society of the Colonial Dames of America in the Commonwealth of Pennsylvania
1
Pennsylvania Historical and Museum Commission
1
Pennsylvania Historical and Museum Commission Office of Historic Preservation
1
Pennsylvania Historical and Museum Commission. Office of Historic Preservation
1
Philadelphia Historic Preservation Corporation
1
Philadelphia Old Town Historical Society
1
Philadelphia Old Town Historical Society : 1015 Clinton Street, Old Town, Philadelphia, Pennsylvania 19107
1
Philadelphia Society for the Preservation of Landmarks
1
Preservation Fund of Pennsylvania
1
Preservation Society of Chapel Hill
1
Salem County Historical Society
1
Society for the Preservation of New England Antiquities
1
Wyck Association (Philadelphia, Pa.)
1