1Robert Walsh to Thomas Jefferson, 12 March 1818 (Jefferson Papers)
Monticello (TJ’s Albemarle Co. estate); Visitors to; Corrêa da Serra, José [index entry]
2Robert Walsh to Thomas Jefferson, 20 April 1818 (Jefferson Papers)
Monticello (TJ’s Albemarle Co. estate); Visitors to; Corrêa da Serra, José [index entry]