1William Thornton to Thomas Jefferson, 30 August 1809 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
2John Adlum to Thomas Jefferson, 15 February 1810 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
3Louis Philippe Gallot de Lormerie to Thomas Jefferson, 16 August 1810 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
4Peter Minor to Thomas Jefferson, 17 September 1811 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
5James Carver to Thomas Jefferson, 27 October 1812 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
6Louis Philippe Gallot de Lormerie to Thomas Jefferson, 31 October 1812 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
7Thomas Jefferson to Shotwell & Kinder, 10 February 1814 (Jefferson Papers)
); endorsed by TJ. Printed in Philadelphia Society for Promoting Agriculture, Memoirs 3 (1814):...
8James Mease to Thomas Jefferson, 24 May 1814 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
9James Mease to Thomas Jefferson, 27 July 1814 (Jefferson Papers)
Philadelphia Society for Promoting Agriculture; Memoirs [index entry]
10Thomas Jefferson to Richard Peters, 6 March 1816 (Jefferson Papers)
Printed in Philadelphia Society for Promoting Agriculture, Memoirs 4 (1818): 16–7.