1From James Madison to Thomas Jefferson, 3 June 1798 (Madison Papers)
According to Julian Niemcewicz, a visitor at Mount Vernon in June 1798, Washington...
2From James Madison to Thomas Jefferson, 24 April 1807 (Madison Papers)
...reward your perusal of it. The passport for Niemcewicz will go by the mail of this evening....
3To Thomas Jefferson from James Madison, 24 April 1807 (Jefferson Papers)
...reward your perusal of it. The passport for Niemcewicz will go by the mail of this evening....
4To Thomas Jefferson from James Madison, 27 April 1807 (Jefferson Papers)
...was recd. by the last mail. The passport for Niemcewicz went by the first succeeding opportunity.