1William A. Burwell to Thomas Jefferson, 28 November 1818 (Jefferson Papers)
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2Thomas Jefferson to James H. McCulloch, 9 February 1819 (Jefferson Papers)
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3James H. McCulloch to Thomas Jefferson, 17 February 1819 (Jefferson Papers)
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4Thomas Jefferson to James H. McCulloch, 2 March 1819 (Jefferson Papers)
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5Thomas Jefferson to de Bure Frères, 27 May 1819 (Jefferson Papers)
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6Thomas Jefferson to David Bailie Warden, 26 December 1820 (Jefferson Papers)
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7Thomas Jefferson to John Vaughan, 6 January 1821 (Jefferson Papers)
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8James Gibbon to Thomas Jefferson, 21 July 1821 (Jefferson Papers)
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9George Ticknor to Thomas Jefferson, 1 September 1821 (Jefferson Papers)
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10Thomas Jefferson to James Madison, 16 September 1821 (Jefferson Papers)
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