Commission of William Clark as brigadier general of the militia of Louisiana Territory, signed Thomas Jefferson and Dearborn [Henry Dearborn], March 12, 1807, A0289-20379. Missouri Historical Society Library and Research Center.

Commission of William Clark as brigadier general of the militia of Louisiana Territory, signed Thomas Jefferson and Dearborn [Henry Dearborn], March 12, 1807, A0289-20379. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/2888 Accessed September 20, 2024.