Letter signed by William Croghan, Pic Nic, to George Rogers Hancock Clark, January 21, 1839, A0289-00658. Missouri Historical Society Library and Research Center.

Letter signed by William Croghan, Pic Nic, to George Rogers Hancock Clark, January 21, 1839, A0289-00658. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/11828 Accessed September 19, 2024.