1John Vaughan to Thomas Jefferson, 24 March 1815 (Jefferson Papers)
Great Britain; exchange rate in [index entry]
2Enclosure: John Barnes’s Account with Tadeusz Kosciuszko, 26 April 1815 (Jefferson Papers)
Great Britain; exchange rate in [index entry]
3John Barnes to Thomas Jefferson, 25 May 1815 (Jefferson Papers)
Great Britain; exchange rate in [index entry]
4John Barnes to Thomas Jefferson, 18 November 1815 (Jefferson Papers)
Great Britain; exchange rate in [index entry]
5John Barnes to Thomas Jefferson, 5 August 1816 (Jefferson Papers)
Great Britain; exchange rate in [index entry]
6Samuel Williams to Thomas Jefferson, 6 August 1822 (Jefferson Papers)
Great Britain; exchange rate in [index entry]