1Thomas Jefferson to George Washington Jeffreys, 3 March 1817 (Jefferson Papers)
Jeffreys, George Washington; catalogue of agricultural books for [index entry]
2George Washington Jeffreys to Thomas Jefferson, 8 April 1817 (Jefferson Papers)
Jeffreys, George Washington; catalogue of agricultural books for [index entry]
3George Washington Jeffreys to Thomas Jefferson, 11 May 1817 (Jefferson Papers)
Jeffreys, George Washington; catalogue of agricultural books for [index entry]