1John Adams to Thomas Jefferson, 13 February 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]
2Thomas Jefferson to John Adams, 21 March 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]
3[John Brazer] to Thomas Jefferson, 15 July 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]
4Thomas Jefferson to John Brazer, 24 August 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]
5Nathaniel F. Moore to Thomas Jefferson, 31 August 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]
6Thomas Jefferson to Nathaniel F. Moore, 22 September 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]
7Thomas Jefferson to John Pickering, 22 September 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]
8John Brazer to Thomas Jefferson, 18 October 1819 (Jefferson Papers)
An Essay on the Pronunciation of the Greek Language (J. Pickering) [index entry]