1Thomas Jefferson to Isaac A. Coles, 7 May 1817 (Jefferson Papers)
seeds; sainfoin [index entry]
2Thomas Jefferson to James Gibbon, 13 May 1817 (Jefferson Papers)
seeds; sainfoin [index entry]
3Thomas Jefferson to Thomas Appleton, 1 August 1817 (Jefferson Papers)
seeds; sainfoin [index entry]
4Thomas Jefferson to John S. Skinner, 16 May 1820 (Jefferson Papers)
seeds; sainfoin [index entry]