Part of the Frick Collection Archives Repository
Correspondence - Ketchum, Inc., 1981, Box: 9, Folder: 5. Helen Clay Frick Papers, Series VII: Frick Art Museum, FFP.02.07. Frick Collection Archives.
Correspondence - Ketchum, Inc., 1981, Box: 9, Folder: 5. Helen Clay Frick Papers, Series VII: Frick Art Museum, FFP.02.07. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/11933 Accessed June 05, 2025.
