1Thomas Jefferson to John Adams, 10 December 1819 (Jefferson Papers)
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2Thomas Jefferson to Joseph C. Cabell, 22 January 1820 (Jefferson Papers)
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3Thomas Jefferson to Hugh Nelson, 7 February 1820 (Jefferson Papers)
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4Thomas Jefferson to James Monroe, 3 March 1820 (Jefferson Papers)
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5Thomas Jefferson to Hugh Nelson, 12 March 1820 (Jefferson Papers)
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6Thomas Jefferson to Mark Langdon Hill, 5 April 1820 (Jefferson Papers)
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7Thomas Jefferson to William Short, 13 April 1820 (Jefferson Papers)
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8Thomas Jefferson to John Holmes, 22 April 1820 (Jefferson Papers)
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9Thomas Jefferson to Charles Pinckney, 30 September 1820 (Jefferson Papers)
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10Thomas Jefferson to Caesar A. Rodney, 9 October 1820 (Jefferson Papers)
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11Thomas Jefferson to Richard Rush, 20 October 1820 (Jefferson Papers)
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12Isaac Briggs’s Account of a Visit to Monticello, 2–4 November 1820 (Jefferson Papers)
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13Thomas Jefferson to Albert Gallatin, 26 December 1820 (Jefferson Papers)
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14Thomas Jefferson to Lafayette, 26 December 1820 (Jefferson Papers)
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15Thomas Jefferson to David Bailie Warden, 26 December 1820 (Jefferson Papers)
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16Thomas Jefferson to Richard Rush, 27 December 1820 (Jefferson Papers)
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17Thomas Jefferson to James Madison, 13 January 1821 (Jefferson Papers)
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18Thomas Jefferson to John Adams, 22 January 1821 (Jefferson Papers)
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19Thomas Jefferson to Joseph C. Cabell, 31 January 1821 (Jefferson Papers)
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20Thomas Jefferson to John W. Taylor, 13 February 1821 (Jefferson Papers)
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21Thomas Jefferson to James Breckinridge, 15 February 1821 (Jefferson Papers)
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22Thomas Jefferson to Spencer Roane, 9 March 1821 (Jefferson Papers)
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23Thomas Jefferson to Spencer Roane, 30 June 1821 (Jefferson Papers)
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24Thomas Jefferson to Richard Rush, 14 August 1821 (Jefferson Papers)
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25Thomas Jefferson to Henry Dearborn, 17 August 1821 (Jefferson Papers)
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26Thomas Jefferson to John Wayles Eppes, 23 October 1821 (Jefferson Papers)
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27Thomas Jefferson to Richard Rush, [ca. 11 June 1822] (Jefferson Papers)
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