1Jared Sparks to Thomas Jefferson, 12 November 1817 (Jefferson Papers)
Ledyard, John (1751–89); A Journal of Captain Cook’s last Voyage to the Pacific Ocean, and in quest of a North-West Passage, between Asia & America [index entry]
2Jared Sparks to Thomas Jefferson, 18 September 1820 (Jefferson Papers)
Ledyard, John (1751–89); A Journal of Captain Cook’s last Voyage to the Pacific Ocean, and in quest of a North-West Passage, between Asia & America [index entry]
3Thomas Jefferson’s Notes on Early Career (the so-called “Autobiography”), [6 January–29 July 1821], with editorial note … (Jefferson Papers)
Ledyard, John (1751–89); A Journal of Captain Cook’s last Voyage to the Pacific Ocean, and in quest of a North-West Passage, between Asia & America [index entry]