A document signed by William Clark, St. Louis, to Lewis Cass, secretary of war, November 21, 1831, A0289-01785. Missouri Historical Society Library and Research Center.

A document signed by William Clark, St. Louis, to Lewis Cass, secretary of war, November 21, 1831, A0289-01785. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/10863 Accessed November 22, 2024.