1Benjamin Vaughan to Thomas Jefferson, 16 April 1819 (Jefferson Papers)
I shall endeavor to send you some Swedish turnip seed from this place; & I have written for some...
2Benjamin Vaughan to Thomas Jefferson, 21–22 April 1819 (Jefferson Papers)
...to day, to move homeward; having desired the turnip seed to be inclosed to you, as requested...
3Benjamin Vaughan to Martha Jefferson Randolph, 23 June 1819 (Jefferson Papers)
The packet of Swedish turnip seed was sent, as desired; with