English
Part of the Frick Collection Archives Repository
Hackenbroch, Yvonne, 1946-1987, Box: 33, Folder: 5. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Hackenbroch, Yvonne, 1946-1987, Box: 33, Folder: 5. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/26171 Accessed May 23, 2025.
