Letter from Wallace Rindskopf, St. Louis, Missouri, to Rudolph Singer, Stuttgart, Germany, July 13, 1938, A3026-00034. Missouri Historical Society Library and Research Center.

Letter from Wallace Rindskopf, St. Louis, Missouri, to Rudolph Singer, Stuttgart, Germany, July 13, 1938, A3026-00034. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/15779 Accessed November 23, 2024.