1John S. Skinner to Thomas Jefferson, 4 May 1820 (Jefferson Papers)
Anderson, James; and sainfoin [index entry] Armstrong, John; and sainfoin [index entry]
2Thomas Appleton to Thomas Jefferson, 15 January 1820 (Jefferson Papers)
sainfoin [index entry] seeds; sainfoin [index entry]
3Horatio G. Spafford to Thomas Jefferson, 29 May 1818 (Jefferson Papers)
sainfoin [index entry] seeds; sainfoin [index entry]
4James Gibbon to Thomas Jefferson, 22 May 1817 (Jefferson Papers)
sainfoin [index entry] seeds; sainfoin [index entry]
5Isaac A. Coles to Thomas Jefferson, 8 May 1817 (Jefferson Papers)
sainfoin [index entry] seeds; sainfoin [index entry]
6Henry A. S. Dearborn to Thomas Jefferson, 1 May 1817 (Jefferson Papers)
sainfoin [index entry] seeds; sainfoin [index entry]
7Thomas Appleton to Thomas Jefferson, 5 March 1817 (Jefferson Papers)
sainfoin [index entry] seeds; sainfoin [index entry]
8James Ronaldson to Thomas Jefferson, 4 March 1810 (Jefferson Papers)
Sainfoin that gives two crops ⅌ annum
9To Thomas Jefferson from De Chanlas, 20 September 1801 (Jefferson Papers)
...he developed “artificial” meadows by sowing sainfoin, red clover, lucerne, and various...sainfoin
10To Thomas Jefferson from John Taylor, 1 June 1794 (Jefferson Papers)
...upon a very small scale between clover and sainfoin, the former evidently has the preference....