Part of the Frick Collection Archives Repository
Perls, Hugo, 1942, Box: 75, Folder: 7. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Perls, Hugo, 1942, Box: 75, Folder: 7. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/25860 Accessed April 29, 2025.
