Part of the Frick Collection Archives Repository
Holmes Electric Protection, 1935, Box: 25, Folder: 7. The Frick Collection Central Files, TFC.0400.010. Frick Collection Archives.
Holmes Electric Protection, 1935, Box: 25, Folder: 7. The Frick Collection Central Files, TFC.0400.010. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/20644 Accessed May 05, 2025.
