11Thomas Jefferson to Samuel Smith (of Maryland), 13 August 1820 (Jefferson Papers)
Spain; and U.S. [index entry]
12Samuel Smith (of Maryland) to Thomas Jefferson, 2 August 1820 (Jefferson Papers)
Spain; and U.S. [index entry]
13James Monroe to Thomas Jefferson, [received 27] May 1820 (Jefferson Papers)
Spain; and U.S. [index entry]
14Thomas Jefferson to James Monroe, 14 May 1820 (Jefferson Papers)
Spain; and U.S. land claims [index entry]
15James Monroe to Thomas Jefferson, 3 May 1820 (Jefferson Papers)
Spain; and U.S. [index entry]
16James Monroe to Thomas Jefferson, 7 February 1820 (Jefferson Papers)
Spain; and U.S. [index entry]
17Thomas Jefferson to Henry Dearborn, 5 July 1819 (Jefferson Papers)
Spain; and U.S. [index entry]
18John Rhea to Thomas Jefferson, 9 March 1819 (Jefferson Papers)
Spain; and U.S. [index entry]
19James Madison to Thomas Jefferson, 12 February 1819 (Jefferson Papers)
Spain; and U.S. [index entry]
20James Monroe to Thomas Jefferson, 8 February 1819 (Jefferson Papers)
Spain; and U.S. [index entry]