1William Thornton to Thomas Jefferson, 30 August 1809 (Jefferson Papers)
trees; pine [index entry]
2Thomas Jefferson to François André Michaux, 14 December 1813 (Jefferson Papers)
trees; pine [index entry]
3John Vaughan to Thomas Jefferson, 9 January 1815 (Jefferson Papers)
trees; pine [index entry]
4Thomas Jefferson to John Vaughan, 8 February 1815 (Jefferson Papers)
trees; pine [index entry]
5Enclosure: Calvin Jones to Hutchins G. Burton, [before 28 April 1817] (Jefferson Papers)
trees; pine [index entry]