1Thomas Main to Thomas Jefferson, 10 January 1810 (Jefferson Papers)
agriculture; and hawthorn hedges [index entry]
2Thomas Jefferson to Thomas Main, 20 January 1810 (Jefferson Papers)
agriculture; and hawthorn hedges [index entry]
3Joseph C. Cabell to Thomas Jefferson, 4 July 1816 (Jefferson Papers)
agriculture; and hawthorn hedges [index entry]
4Thomas Jefferson to Joseph C. Cabell, 13 July 1816 (Jefferson Papers)
agriculture; and hawthorn hedges [index entry]
5Joseph C. Cabell to Thomas Jefferson, 4 August 1816 (Jefferson Papers)
agriculture; and hawthorn hedges [index entry]
6Joseph C. Cabell to Thomas Jefferson, 30 March 1817 (Jefferson Papers)
agriculture; and hawthorn hedges [index entry]