Author
Coughlin Keene & Associates
2
Crawford, Andrew Wright, 1873-1929
2
Fairmount Park Commission (Philadelphia, Pa.)
2
Altoona Railroaders Memorial Museum
1
American Association of Zoological Parks and Aquariums
1
American Battlefield Protection Program (U.S.)
1
American Institute of Park Executives
1
American Park Society
1
Congress for Recreation and Parks Philadelphia, Pa.)
1
Cranz, Galen
1
Day, Frank Miles, 1861-1918
1
Engineers Club of Philadelphia
1
Miller, Leslie W. 1848-1931
1
National Conference on State Parks
1
National Recreation and Park Association
1
Pennsylvania Economy League. Eastern Division
1
Philadelphia Allied Organizations
1