1Thomas Jefferson to William W. Hening, 1 December 1809 (Jefferson Papers)
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2Thomas Jefferson to William Plumer, 12 July 1810 (Jefferson Papers)
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3Thomas Jefferson to Carlo Botta, 15 July 1810 (Jefferson Papers)
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4Thomas Jefferson to William C. Rives, 18 September 1811 (Jefferson Papers)
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5Thomas Jefferson to William Duane, 4 April 1813 (Jefferson Papers)
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6Thomas Jefferson to John B. Colvin, 8 April 1813 (Jefferson Papers)
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7Thomas Jefferson to Horatio G. Spafford, 16 December 1814 (Jefferson Papers)
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8Thomas Jefferson to Louis H. Girardin, 20 January 1815 (Jefferson Papers)
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9Thomas Jefferson to James Savage, 9 February 1815 (Jefferson Papers)
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10Thomas Jefferson to Peter H. Wendover (Draft), 13 March 1815 (Jefferson Papers)
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