1Thomas Jefferson’s Constitution for Proposed Agricultural Society of Albemarle, [ca. 1 February 1811] (Jefferson Papers)
Jefferson, Thomas; Opinions on; agricultural improvements [index entry]
2Thomas Jefferson to Charles Willson Peale, 13 June 1815 (Jefferson Papers)
Jefferson, Thomas; Opinions on; agricultural improvements [index entry]
3Francis Hall’s Account of a Visit to Monticello, [7–8 January 1817] (Jefferson Papers)
Jefferson, Thomas; Opinions on; agricultural improvements [index entry]
4Thomas Jefferson to Joel Yancey, 17 January 1819 (Jefferson Papers)
Jefferson, Thomas; Opinions on; agricultural improvements [index entry]