Envisaging the West: Thomas Jefferson and the Roots of Lewis and Clark



Livingston, Robert R.

Thomas Jefferson to Caspar Wistar, December 16, 1800 In a personal addition to his other letter of December 16, 1800, Thomas Jefferson assures Caspar Wistar of William Dunbar's fitness for membership in the American Philosophical Society.

Thomas Jefferson to Robert Livingston, April 18, 1802 Thomas Jefferson sends a cipher to Robert Livingston, as well as his musings on the cession of Louisiana.