1Thomas Jefferson to Louis H. Girardin, 12 May 1815 (Jefferson Papers)
zoology; books on [index entry]
2Thomas Jefferson to Alexander von Humboldt, 6 March 1809 (Jefferson Papers)
zoology; books on [index entry]
3Constantine S. Rafinesque to Thomas Jefferson, 3 April 1821 (Jefferson Papers)
zoology; books on [index entry]
4Constantine S. Rafinesque to Thomas Jefferson, 25 January 1821 (Jefferson Papers)
zoology; books on [index entry]
5Thomas Jefferson to John Minor, 30 August 1814, including Thomas Jefferson to Bernard Moore, [ca. 1773?] (Jefferson Papers)
zoology; books on [index entry]
6Thomas Jefferson to Horatio G. Spafford, 14 May 1809 (Jefferson Papers)
zoology; books on [index entry]