Part of the Frick Collection Archives Repository
Telephone System - Library, 1933-1935, Box: 33, Folder: 6. The Frick Collection Central Files, TFC.0400.010. Frick Collection Archives.
Telephone System - Library, 1933-1935, Box: 33, Folder: 6. The Frick Collection Central Files, TFC.0400.010. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/20788 Accessed May 12, 2025.
