Cellophane speech, Du Pont, 1945 October 18

Cellophane speech, Du Pont, 1945 October 18, Box: 9, Folder: 37. Harold Brayman papers, MSS 0261. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/151128 Accessed September 19, 2024.