1John Vaughan to Thomas Jefferson, 19 June 1819 (Jefferson Papers)
spices; vanilla [index entry]
2Thomas Jefferson to John Vaughan, 29 June 1819 (Jefferson Papers)
spices; vanilla [index entry]
3John Vaughan to Thomas Jefferson, 3 March 1820 (Jefferson Papers)
spices; vanilla [index entry]
4Thomas Jefferson to Hore Browse Trist, 17 June 1821 (Jefferson Papers)
spices; vanilla [index entry]