1Thomas Jefferson to John Laval, 11 April 1819 (Jefferson Papers)
Sanxay, James; Lexicon Aristophanicum, Græco-Anglicum [index entry]
2John Laval to Thomas Jefferson, 19 April 1819 (Jefferson Papers)
Sanxay, James; Lexicon Aristophanicum, Græco-Anglicum [index entry]
3Thomas Jefferson to John Laval, 3 May 1819 (Jefferson Papers)
Sanxay, James; Lexicon Aristophanicum, Græco-Anglicum [index entry]
4John Laval to Thomas Jefferson, 28 May 1819 (Jefferson Papers)
Sanxay, James; Lexicon Aristophanicum, Græco-Anglicum [index entry]
5Thomas Jefferson to John Laval, 11 June 1819 (Jefferson Papers)
Sanxay, James; Lexicon Aristophanicum, Græco-Anglicum [index entry]
6John Laval to Thomas Jefferson, 24 June 1819 (Jefferson Papers)
Sanxay, James; Lexicon Aristophanicum, Græco-Anglicum [index entry]
7Thomas Jefferson to John Laval, 5 July 1819 (Jefferson Papers)
Sanxay, James; Lexicon Aristophanicum, Græco-Anglicum [index entry]