1James Ronaldson to Thomas Jefferson, 5 March 1809 (Jefferson Papers)
Don Pedro (sheep) [index entry]
2William Thornton to Thomas Jefferson, 10 May 1810 (Jefferson Papers)
Don Pedro (sheep) [index entry] ...de Nemours, Eleuthère Irénée; and Don Pedro (sheep) [index...
3Enclosure: Victor du Pont’s Notes on Samuel F. Du Pont, [ca. 7 December 1815] (Jefferson Papers)
Don Pedro (sheep) [index entry] ...de Nemours, Eleuthère Irénée; and Don Pedro (sheep) [index...