1Thomas Appleton to Thomas Jefferson, 30 May 1816 (Jefferson Papers)
Italy; T. Appleton on [index entry]
2Thomas Appleton to Thomas Jefferson, 27 September 1816 (Jefferson Papers)
Italy; T. Appleton on [index entry]
3Thomas Appleton to Thomas Jefferson, 10 October 1820 (Jefferson Papers)
Italy; T. Appleton on [index entry]
4Thomas Appleton to Thomas Jefferson, 2 November 1820 (Jefferson Papers)
Italy; T. Appleton on [index entry]