1Fernagus De Gelone to Thomas Jefferson, 5 October 1820 (Jefferson Papers)
Berthier, Louis Alexandre, Prince de Neuchâtel; family of [index entry]
2Fernagus De Gelone to Thomas Jefferson, 19 May 1821 (Jefferson Papers)
Berthier, Louis Alexandre, Prince de Neuchâtel; family of [index entry]
3Fernagus De Gelone to Thomas Jefferson, 3 August 1821 (Jefferson Papers)
Berthier, Louis Alexandre, Prince de Neuchâtel; family of [index entry]
4Fernagus De Gelone to Thomas Jefferson, 16 October 1821 (Jefferson Papers)
Berthier, Louis Alexandre, Prince de Neuchâtel; family of [index entry]