Letter from Rudolf Singer, Stuttgart, Germany, to Cousin [Wallace Rindskopf], St. Louis, June 18, 1938, A3026-00029. Missouri Historical Society Library and Research Center.

Letter from Rudolf Singer, Stuttgart, Germany, to Cousin [Wallace Rindskopf], St. Louis, June 18, 1938, A3026-00029. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/15774 Accessed November 23, 2024.