Part of the Frick Collection Archives Repository
Ledger No. 7, 1913-1919, Box: 21. Henry Clay Frick Papers, Series VI: Accounts, FFP.01.06. Frick Collection Archives.
Ledger No. 7, 1913-1919, Box: 21. Henry Clay Frick Papers, Series VI: Accounts, FFP.01.06. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/8805 Accessed February 26, 2025.
