1John G. Robert (for Patrick Gibson) to Thomas Jefferson, 22 February 1816 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]
2John G. Robert (for Patrick Gibson) to Thomas Jefferson, 17 April 1818 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]
3John G. Robert (for Patrick Gibson) to Thomas Jefferson, 18 July 1818 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]
4John G. Robert (for Patrick Gibson) to Thomas Jefferson, 16 August 1819 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]
5John G. Robert (for Patrick Gibson) to Thomas Jefferson, 16 March 1820 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]
6John G. Robert (for Patrick Gibson) to Thomas Jefferson, 6 April 1820 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]
7John G. Robert (for Patrick Gibson) to Thomas Jefferson, 13 April 1820 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]
8John G. Robert (for Patrick Gibson) to Thomas Jefferson, 30 April 1821 (Jefferson Papers)
Robert, John Gibson; letters from [index entry]