Nicholas Biddle to William Tilghman, April 6, 1818: 7 matches
William Clark to Albert Gallatin, March 31 1826: 6 matches
Thomas Jefferson to John Vaughan, June 28, 1817: 2 matches
Thomas Jefferson to Peter J. DuPonceau, November 7, 1817: 2 matches
Western Gleaner Review of the Lewis and Clark Journals(1814): 2 matches
Thomas Jefferson to Jose Correa de Serra, April 16, 1816: 1 match
William Clark to Nicholas Biddle, February 20, 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 7, 1810: 1 match
William Clark to Nicholas Biddle, September 5, 1812: 1 match
Nicholas Biddle to Thomas Jefferson, September 28, 1813: 1 match
William Clark to Nicholas Biddle, March 31, 1816: 1 match
William Clark to Nicholas Biddle, October 17, 1816: 1 match
Thomas Jefferson to John Conrad, April 24, 1811: 1 match
Nicholas Biddle to Thomas Jefferson, September 29, 1813: 1 match
William Clark to William Eustis, April 15, 1810: 1 match
William Clark to Benjamin Smith Barton, May 28, 1810: 1 match
William Clark to John Marks, March 29, 1811: 1 match