Part of the Frick Collection Archives Repository
Postcards, undated, Box: 7, Folder: 2. Helen Clay Frick Papers, Series VII: Frick Art Museum, FFP.02.07. Frick Collection Archives.
Postcards, undated, Box: 7, Folder: 2. Helen Clay Frick Papers, Series VII: Frick Art Museum, FFP.02.07. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/11907 Accessed May 10, 2025.
