Part of the Frick Collection Archives Repository
July, 1915 – April, 1916, Box: 2, Folder: 3. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives.
July, 1915 – April, 1916, Box: 2, Folder: 3. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/19740 Accessed July 27, 2025.
