Part of the Frick Collection Archives Repository
Pittsburgh Experiment, 1967-1971, Box: 55, Folder: 20. Helen Clay Frick Papers, Series III: Iron Rail Vacation Home, FFP.02.03. Frick Collection Archives.
Pittsburgh Experiment, 1967-1971, Box: 55, Folder: 20. Helen Clay Frick Papers, Series III: Iron Rail Vacation Home, FFP.02.03. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/10653 Accessed April 20, 2025.
