Part of the Frick Collection Archives Repository
Schaeffer Galleries, undated, Box: 75, Folder: 27. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Schaeffer Galleries, undated, Box: 75, Folder: 27. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/25879 Accessed April 29, 2025.
