Part of the Frick Collection Archives Repository
Correspondence - Robert Robertson Co., 1906, Box: 3, Folder: 7. Eagle Rock Papers, FFP.09. Frick Collection Archives.
Correspondence - Robert Robertson Co., 1906, Box: 3, Folder: 7. Eagle Rock Papers, FFP.09. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/13831 Accessed February 26, 2025.