1Thomas Jefferson to Thomas Cooper, 14 August 1820 (Jefferson Papers)
Timaeus of Locri; Timée de Locres en Grec et en François (trans. J. B. Boyer) [index entry]
2Thomas Jefferson to John Adams, 15 August 1820 (Jefferson Papers)
Timaeus of Locri; Timée de Locres en Grec et en François (trans. J. B. Boyer) [index entry]