1Thomas Jefferson to Paul Allen, 5 August 1813 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
2Thomas Jefferson to Benjamin Smith Barton, 22 October 1810 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
3Thomas Jefferson to Benjamin Smith Barton, 3 April 1813 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
4Thomas Jefferson to C. & A. Conrad & Company, 24 April 1811 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]
5Thomas Jefferson to Patrick Gibson, 7 August 1814 (Jefferson Papers)
Lewis and Clark Expedition; history of [index entry]