Soap
Part of the Frick Collection Archives Repository
Kaepir, C., undated, Box: 30, Folder: 17. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives.
Kaepir, C., undated, Box: 30, Folder: 17. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/6979 Accessed June 21, 2025.
