Part of the Frick Collection Archives Repository
Unknown Portraits (photographs), Box: 38, Folder: 15. Richard P. Wunder Research Files, MS.002. Frick Collection Archives.
Unknown Portraits (photographs), Box: 38, Folder: 15. Richard P. Wunder Research Files, MS.002. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/15821 Accessed June 13, 2025.
