1John Quincy Adams to Thomas Jefferson, 24 April 1819 (Jefferson Papers)
Adams, John Quincy; and P. Cardelli [index entry]
2Thomas Jefferson to John Quincy Adams, 10 May 1819 (Jefferson Papers)
Adams, John Quincy; and P. Cardelli [index entry]
3John Quincy Adams to Thomas Jefferson, 24 May 1819 (Jefferson Papers)
Adams, John Quincy; and P. Cardelli [index entry]
4Peter Cardelli to Thomas Jefferson, 8 July 1819 (Jefferson Papers)
Adams, John Quincy; and P. Cardelli [index entry]
5Peter Cardelli to Thomas Jefferson, 12 September 1819 (Jefferson Papers)
Adams, John Quincy; and P. Cardelli [index entry]