Certificate of service to Mrs. Rowe for 5 years service from Hercules Powder Company (1947 May 1); cardboard Sunflower, "official weather observer" for Hercules Powder Company / Sunflower Ordnance Works and cardboard display of "badges" used for identification at Sunflower Ordnance Works, Box: 1, Folder: 11. Elfriede Fischer Rowe papers, RH MS 958. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/37197 Accessed May 19, 2024.