Part of the Frick Collection Archives Repository
Turin (Italy), Biblioteca Reale - Landscapes, Box: 13, Folder: 40. Richard P. Wunder Research Files, MS.002. Frick Collection Archives.
Turin (Italy), Biblioteca Reale - Landscapes, Box: 13, Folder: 40. Richard P. Wunder Research Files, MS.002. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/16489 Accessed June 06, 2025.
