Author
Philadelphia Historical Commission
4
Historical Society of Pennsylvania
3
Leeds, Joseph
3
Tinkcom, Margaret B. 1907-
3
Batcheler, Penelope Hartshorne
2
Philadelphia Historic Preservation Corporation
2
Preservation Coalition of Greater Philadelphia
2
Simon, Grant Miles, 1887-1967
2
Independence National Historical Park (Philadelphia, Pa.)
1
National Trust for Historic Preservation in the United States
1
Philadelphia (Pa.). Councils
1
Philadelphia (Pa.). Redevelopment Authority
1
Philadelphia City Planning Commission
1
Rubenstone, Cathy
1
Scott, Hugh, 1900-1994
1
Temple, Charlotte
1
U.S Philadelphia National Shrines Park Commission
1
United States. National Park Service
1