Method of making plaster cast, 1891 September 6

Method of making plaster cast, 1891 September 6, Box: 2, Folder: Notebook 6. Helen Farr Sloan Philadelphia Inquirer notebooks, MSS 0562. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/46757 Accessed September 19, 2024.