Part of the Frick Collection Archives Repository
Accounting - Cost analysis, 1905-1908, Box: 1, Folder: 1. Eagle Rock Papers, FFP.09. Frick Collection Archives.
Accounting - Cost analysis, 1905-1908, Box: 1, Folder: 1. Eagle Rock Papers, FFP.09. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/13805 Accessed February 26, 2025.