Part of the Frick Collection Archives Repository
Helft, Jacques, & Co., 1943-1944, Box: 73, Folder: 16. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Helft, Jacques, & Co., 1943-1944, Box: 73, Folder: 16. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/25809 Accessed April 29, 2025.
