Letter signed George Rogers Clark, Kaskaskia, to Leonard Helm, Fort Patrick Henry, November 9, 1778, A0289-00119. Missouri Historical Society Library and Research Center.

Letter signed George Rogers Clark, Kaskaskia, to Leonard Helm, Fort Patrick Henry, November 9, 1778, A0289-00119. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/11390 Accessed September 19, 2024.