Part of the Frick Collection Archives Repository
Museum certificates, 1958-1993, Box: 81, Folder: 4. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Museum certificates, 1958-1993, Box: 81, Folder: 4. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/26429 Accessed April 29, 2025.
