1Louis Philippe Gallot de Lormerie to Thomas Jefferson, 14 April 1809 (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]
2Louis Philippe Gallot de Lormerie to Thomas Jefferson, 6 June [1809] (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]
3James Carver to Thomas Jefferson, 27 October 1812 (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]
4Richard Peters to Thomas Jefferson, 25 March 1816 (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]
5Philadelphia Society for Promoting Agriculture to Thomas Jefferson, 13 November 1816 (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]
6Thomas Jefferson to Thomas Mann Randolph, 5 March 1817 (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]
7Richard Peters to Thomas Jefferson, 28 June 1817 (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]
8Thomas Jefferson to Richard Peters, 20 February 1822 (Jefferson Papers)
Peters, Richard; as president of Philadelphia Society for Promoting Agriculture [index entry]