Part of the Frick Collection Archives Repository
Hamburg (Germany), Kunstnalle - Ruins Composition, Box: 11, Folder: 4. Richard P. Wunder Research Files, MS.002. Frick Collection Archives.
Hamburg (Germany), Kunstnalle - Ruins Composition, Box: 11, Folder: 4. Richard P. Wunder Research Files, MS.002. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/16453 Accessed June 25, 2025.
