Part of the Frick Collection Archives Repository
Sinkovic, Rudolph, 1944, Box: 75, Folder: 32. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Sinkovic, Rudolph, 1944, Box: 75, Folder: 32. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/25884 Accessed April 30, 2025.
