1Robert M. Patterson to Thomas Jefferson, 7 January 1814 (Jefferson Papers)
Patterson, Robert Maskell; letters from [index entry]
2Robert M. Patterson to Thomas Jefferson, 3 December 1814 (Jefferson Papers)
Patterson, Robert Maskell; letters from [index entry]
3Robert M. Patterson to Thomas Jefferson, 21 January 1815 (Jefferson Papers)
Patterson, Robert Maskell; letters from [index entry]
4Robert M. Patterson to Thomas Jefferson, 23 January 1818 (Jefferson Papers)
Patterson, Robert Maskell; letters from [index entry]