Part of the Frick Collection Archives Repository
October, 1912 – August, 1913, Box: 1, Folder: 12. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives.
October, 1912 – August, 1913, Box: 1, Folder: 12. Walter and Matilda Gay Collection, MS.059. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/19735 Accessed August 16, 2025.
