Part of the Frick Collection Archives Repository
Knox, P.C., [1886?]-1919, undated, Box: 50, Folder: 2-7. Henry Clay Frick Papers, Series II: Correspondence, FFP.01.02. Frick Collection Archives.
Knox, P.C., [1886?]-1919, undated, Box: 50, Folder: 2-7. Henry Clay Frick Papers, Series II: Correspondence, FFP.01.02. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/4003 Accessed May 04, 2025.
