William Clark to Bradford and Inskeep, March 29 1813: 3 matches
William Clark to Albert Gallatin, March 31 1826: 2 matches
William Clark to William Eustis, April 15, 1810: 2 matches
William Clark to Benjamin Smith Barton, May 28, 1810: 2 matches
William Clark to John Marks, March 29, 1811: 2 matches
Thomas Jefferson to William Clark, Sept. 2. 16: 2 matches
Thomas Jefferson to John Vaughan, June 28, 1817: 1 match
Thomas Jefferson to Peter J. DuPonceau, November 7, 1817: 1 match
William Clark to Nicholas Biddle, February 20, 1810: 1 match
Nicholas Biddle to William Clark, March 3, 1810: 1 match
Nicholas Biddle to William Clark, March 17, 1810: 1 match
Nicholas Biddle to David Bailey Warden, July 7, 1810: 1 match
Nicholas Biddle to William Clark, July 7, 1810: 1 match
William Clark to Nicholas Biddle, December 20 1810: 1 match
William Clark to Nicholas Biddle, January 24, 1811: 1 match
Nicholas Biddle to William Clarke, June 28, 1811: 1 match
Nicholas Biddle to William Clarke, July 8, 1811: 1 match
William Clark to Nicholas Biddle, August 15, 1811: 1 match
Nicholas Biddle to William Clark, July 4, 1812: 1 match
William Clark to Nicholas Biddle, September 5, 1812: 1 match
Nicholas Biddle to William Clark, February 23, 1813: 1 match
Nicholas Biddle to Thomas Jefferson, September 28, 1813: 1 match
Nicholas Biddle to William Clark, March 23, 1814: 1 match
Nicholas Biddle to Bradford or Inskeep, January 22, 1815: 1 match
Charles Chauncey to Thomas Antley, May 10, 1815: 1 match
William Clark to Nicholas Biddle, June 18,1815: 1 match
William Clark to Nicholas Biddle, March 31, 1816: 1 match
Nicholas Biddle to William Clark, October 21 1816: 1 match
Nicholas Biddle to Charles Chauncey, December 7, 1816: 1 match
John Vaughn to Nicholas Biddle, April 8, 1818: 1 match
Biddle to unknown recipient, 1810: 1 match
John Vaughn to F. Rudolph Hassler, October 13, 1810: 1 match