1Thomas Jefferson to John Sanderson, 31 August 1820 (Jefferson Papers)
Sanderson, John; Biography of the Signers to the Declaration of Independence [index entry]
2Thomas Jefferson to Peter S. Du Ponceau, 28 December 1820 (Jefferson Papers)
Sanderson, John; Biography of the Signers to the Declaration of Independence [index entry]
3Thomas Jefferson’s Notes on Early Career (the so-called “Autobiography”), [6 January–29 July 1821], with editorial note … (Jefferson Papers)
Sanderson, John; Biography of the Signers to the Declaration of Independence [index entry]
4Thomas Jefferson to Roger Sherman Baldwin, 9 March 1822 (Jefferson Papers)
Sanderson, John; Biography of the Signers to the Declaration of Independence [index entry]