William Clark to Albert Gallatin, March 31 1826: 4 matches
Analectic Journal, 1815: 2 matches
Nicholas Biddle to William Tilghman, April 6, 1818: 2 matches
Introduction to the Review of the Journals in the Western Gleaner: 2 matches
Thomas Jefferson to Jose Correa de Serra, April 16, 1816: 1 match
Thomas Jefferson to John Vaughan, June 28, 1817: 1 match
William Clark to Nicholas Biddle, January 24, 1811: 1 match
William Clark to Nicholas Biddle, August 15, 1811: 1 match
Nicholas Biddle to Thomas Jefferson, September 28, 1813: 1 match
William Clark to Nicholas Biddle, October 17, 1816: 1 match
John Vaughn to Nicholas Biddle, April 8, 1818: 1 match
John Conrad to Thomas Jefferson, November 13, 1809: 1 match
Thomas Jefferson to William Clark, Sept 10 09: 1 match
Thomas Jefferson to William Clark, Sept. 2. 16: 1 match
Thomas Jefferson to Nicholas Biddle, August 20, 1813: 1 match
Thomas Jefferson to Paul Allen, August 5, 1813: 1 match
Alexander Wilson's American Ornithology (1811): 1 match