Part of the Frick Collection Archives Repository
#90, Challe - Ruins, Box: 59, Folder: 21. Richard P. Wunder Research Files, MS.002. Frick Collection Archives.
#90, Challe - Ruins, Box: 59, Folder: 21. Richard P. Wunder Research Files, MS.002. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/15969 Accessed June 25, 2025.
