Undlin, Elmer collection, Mss 122, Box: Oversize 18, Assorted. Minnesota Military & Veterans Museum.
Undlin, Elmer collection, Mss 122, Box: Oversize 18, Assorted. Minnesota Military & Veterans Museum. https://mnmilarchive.libraryhost.com/repositories/2/resources/176 Accessed October 18, 2024.
