Checkbooks - Union Savings Bank of Pittsburgh (Pittsburgh, Pa.) - F.W. McElroy Special Account, 1904-1915

Checkbooks - Union Savings Bank of Pittsburgh (Pittsburgh, Pa.) - F.W. McElroy Special Account, 1904-1915, Volume: Checkbooks 87-103. Henry Clay Frick Papers, Series VI: Accounts, FFP.01.06. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/8992 Accessed June 21, 2025.