Part of the Frick Collection Archives Repository
2. Ormolu. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
2. Ormolu. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/35273 Accessed May 23, 2025.
