1David A. Leonard to Thomas Jefferson, 30 December 1813 (Jefferson Papers)
Notes on the State of Virginia (Thomas Jefferson); TJ as author of [index entry]
2Thomas Jefferson to Thomas Cooper, 16 January 1814 (Jefferson Papers)
Notes on the State of Virginia (Thomas Jefferson); TJ as author of [index entry]
3Jeremiah Platt to Thomas Jefferson, 1 February 1816 (Jefferson Papers)
Notes on the State of Virginia (Thomas Jefferson); TJ as author of [index entry]