Donation
Part of the Frick Collection Archives Repository
Grau, Robert, 1911, Box: 22, Folder: 31. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives.
Grau, Robert, 1911, Box: 22, Folder: 31. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/6642 Accessed April 21, 2025.
