Part of the Frick Collection Archives Repository
Employer's Quarterly Federal Tax Return, 1957-1959, Box: 59, Folder: 11. Helen Clay Frick Papers, Series III: Iron Rail Vacation Home, FFP.02.03. Frick Collection Archives.
Employer's Quarterly Federal Tax Return, 1957-1959, Box: 59, Folder: 11. Helen Clay Frick Papers, Series III: Iron Rail Vacation Home, FFP.02.03. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/10706 Accessed July 07, 2025.
