Part of the Frick Collection Archives Repository
Hackenbroch, Clementine, 1943-1946, Box: 73, Folder: 15. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Hackenbroch, Clementine, 1943-1946, Box: 73, Folder: 15. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/25808 Accessed April 30, 2025.
