1Thomas Jefferson to Robert Patterson, 7 November 1820 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
2Thomas Jefferson to Robert Patterson, 4 July 1819 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
3Thomas Jefferson to Robert Patterson, 14 March 1819 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
4Thomas Jefferson to Robert Patterson, 2 February 1819 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
5Thomas Jefferson to Robert Patterson, 18 October 1818 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
6Thomas Jefferson to Robert Patterson, 1 January 1817 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
7Enclosure: Ferdinand R. Hassler to Robert Patterson, 2 December 1816 (Jefferson Papers)
Patterson, Robert; letter to, from F. R. Hassler [index entry]
8Thomas Jefferson to Robert Patterson, 22 December 1815 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
9Thomas Jefferson to Robert Patterson, 13 October 1815 (Jefferson Papers)
Patterson, Robert; letters to [index entry]
10Thomas Jefferson to Robert Patterson, 23 November 1814 (Jefferson Papers)
Patterson, Robert; letters to [index entry]