Part of the Frick Collection Archives Repository
September, 1918 – January, 1919, Box: 2, Folder: 11. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives.
September, 1918 – January, 1919, Box: 2, Folder: 11. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/19748 Accessed July 28, 2025.
