1John F. Oliveira Fernandes to Thomas Jefferson, 6 January 1816 (Jefferson Papers)
Oliveira Fernandes, John Francisco; as physician [index entry]
2José Corrêa da Serra to Thomas Jefferson, 10 April 1818 (Jefferson Papers)
Oliveira Fernandes, John Francisco; as physician [index entry]
3Robert Walsh to Thomas Jefferson, 20 April 1818 (Jefferson Papers)
Oliveira Fernandes, John Francisco; as physician [index entry]