Part of the Frick Collection Archives Repository
Brummer Gallery, Inc., 1943, Box: 72, Folder: 16. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Brummer Gallery, Inc., 1943, Box: 72, Folder: 16. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/25772 Accessed February 04, 2026.
