Letter signed Donald C. Sauer, Saint Louis, Mo., to Whom It May Concern, August 13, 1971, A3088-00011. Missouri Historical Society Library and Research Center.

Letter signed Donald C. Sauer, Saint Louis, Mo., to Whom It May Concern, August 13, 1971, A3088-00011. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/11736 Accessed September 19, 2024.