Part of the Frick Collection Archives Repository
December, 1917 – April, 1918, Box: 2, Folder: 9. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives.
December, 1917 – April, 1918, Box: 2, Folder: 9. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/19746 Accessed July 27, 2025.
