Part of the Frick Collection Archives Repository
Hamburg (Germany), Kunsthalle - Ruined Vaulted Archway, Box: 3, Folder: 3. Richard P. Wunder Research Files, MS.002. Frick Collection Archives.
Hamburg (Germany), Kunsthalle - Ruined Vaulted Archway, Box: 3, Folder: 3. Richard P. Wunder Research Files, MS.002. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/16206 Accessed April 25, 2025.
