Letter signed Robert D. Casler, Selectmen, Detroit, to William Wolff, Gateway Motorcycle Club, Saint Louis, May 9, 1974, A3158-00009. Missouri Historical Society Library and Research Center.

Letter signed Robert D. Casler, Selectmen, Detroit, to William Wolff, Gateway Motorcycle Club, Saint Louis, May 9, 1974, A3158-00009. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/14829 Accessed October 06, 2024.