Part of the Frick Collection Archives Repository
Holmes Electric Protective Company, 1924, 1931, Box: 3, Folder: 9. Helen Clay Frick Records - Correspondence, FARL.0100.040. Frick Collection Archives.
Holmes Electric Protective Company, 1924, 1931, Box: 3, Folder: 9. Helen Clay Frick Records - Correspondence, FARL.0100.040. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/5241 Accessed December 28, 2024.
