Other
- Fairmount Park Commission (Philadelphia, Pa.)
- Coughlin Keene & Associates 2 results
- Wallace, Roberts & Todd 2 results
- Beck, Carol H. 1 results
- Favretti, Rudy J. 1 results
- Friends of the Wissahickon 1 results
- Klein, Esther M. (Esther Moyerman), 1907- 1 results
- Martin, Thomas S. 1 results
- Philadelphia (Pa.) 1 results
- Philadelphia Museum of Art Memorial Hall Wilstach Collection 1 results
- Springs, William Leonidas 1 results
- University of Pennsylvania. Morris Arboretum 1 results
- Urban Park and Recreation Recovery Program (U.S.) 1 results
- Wilstach, William P., d. 1873? 1 results