Heinrich (Henry) F. Gronemeyer Papers, Collection ID-2622, Box: Gro - Gu, Folder: Gronemeyer. Concordia Historical Institute.
Heinrich (Henry) F. Gronemeyer Papers, Collection ID-2622, Box: Gro - Gu, Folder: Gronemeyer. Concordia Historical Institute. https://concordiahistoricalinstitute.libraryhost.com/repositories/2/resources/1123 Accessed November 29, 2024.
