Part of the Frick Collection Archives Repository
Maps and guides - Switzerland, 1923, 1955, Box: 6, Folder: 3. Helen Clay Frick Papers, Series XI: Travel, FFP.02.11. Frick Collection Archives.
Maps and guides - Switzerland, 1923, 1955, Box: 6, Folder: 3. Helen Clay Frick Papers, Series XI: Travel, FFP.02.11. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/9814 Accessed March 14, 2025.
