1James Cutbush to Thomas Jefferson, 23 October 1814 (Jefferson Papers)
agriculture; improved method of planting [index entry]
2Thomas Jefferson to James Cutbush, 24 November 1814 (Jefferson Papers)
agriculture; improved method of planting [index entry]
3James Cutbush to Thomas Jefferson, 28 January 1815 (Jefferson Papers)
agriculture; improved method of planting [index entry]
4Thomas Jefferson to George Flower, 12 September 1817 (Jefferson Papers)
agriculture; improved method of planting [index entry]
5Thomas Feeling to Thomas Jefferson, 12 December 1817 (Jefferson Papers)
agriculture; improved method of planting [index entry]