Coal
Part of the Frick Collection Archives Repository
Salem Coal Co. (Salem, Mass.), 1902, Box: 46, Folder: 29. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives.
Salem Coal Co. (Salem, Mass.), 1902, Box: 46, Folder: 29. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/7632 Accessed December 10, 2025.
