1James Gibbon to Thomas Jefferson, 12 June 1820 (Jefferson Papers)
gardens; Jardin des Plantes (Paris) [index entry]
2Thomas Jefferson to James Gibbon, 22 June 1820 (Jefferson Papers)
gardens; Jardin des Plantes (Paris) [index entry]
3Jonathan Thompson to Thomas Jefferson, 14 June 1821 (Jefferson Papers)
gardens; Jardin des Plantes (Paris) [index entry]
4Thomas Jefferson to Jonathan Thompson, 25 June 1821 (Jefferson Papers)
gardens; Jardin des Plantes (Paris) [index entry]
5Reuben G. Beasley to Thomas Jefferson, 1 May 1822 (Jefferson Papers)
gardens; Jardin des Plantes (Paris) [index entry]