1Enclosure: Thomas Jefferson’s Catalogue of Books on Agriculture, [ca. 3 March 1817] (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]
2Joseph Milligan to Thomas Jefferson, 6 February 1818 (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]
3Thomas Jefferson to Joseph Milligan, 18 February 1818 (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]
4Joseph Milligan to Thomas Jefferson, 30 October 1818 (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]
5Joseph Milligan to Thomas Jefferson, 20 November 1818 (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]
6Thomas Jefferson to Joseph Milligan, 29 November 1818 (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]
7Joseph Milligan to Thomas Jefferson, 3 March 1819 (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]
8Thomas Jefferson to Joseph Milligan, 9 April 1819 (Jefferson Papers)
Gardiner, John (author); The American Gardener [index entry]