1Joseph C. Cabell to Thomas Jefferson, 22 December 1820 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
2Joseph C. Cabell to Thomas Jefferson, 4 January 1821 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
3Joseph C. Cabell to Thomas Jefferson, 8 February 1821 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
4Joseph C. Cabell to Thomas Jefferson, 22 February 1821 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
5Joseph C. Cabell to Thomas Jefferson, 25 February 1821 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
6Joseph C. Cabell to Thomas Jefferson, 28 April 1821 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
7Joseph C. Cabell to Thomas Jefferson, 3 January [1822] (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
8Joseph C. Cabell to Thomas Jefferson, 7 January 1822 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
9Joseph C. Cabell to Thomas Jefferson, 3 February 1822 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]
10Joseph C. Cabell to Thomas Jefferson, 6 March 1822 (Jefferson Papers)
Blackburn, Samuel; as Va. legislator [index entry]