1Thomas Jefferson to George Ticknor, 14 January 1816 (Jefferson Papers)
Oeuvres Philosophiques de Cicéron (Cicero; Didot edition) [index entry]
2Thomas Jefferson to George Ticknor, 31 January 1816 (Jefferson Papers)
Oeuvres Philosophiques de Cicéron (Cicero; Didot edition) [index entry]
3Enclosure: Invoice of Books for Thomas Jefferson Purchased from de Bure Frères, [ca. 23 October] 1817 (Jefferson Papers)
Oeuvres Philosophiques de Cicéron (Cicero; Didot edition) [index entry]