1James Madison to Thomas Jefferson, 3 April 1812 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
2Thomas Jefferson to Madame de Stael, 28 May 1813 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
3Thomas Jefferson to Thomas Leiper, 1 January 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
4Patrick Gibson to Thomas Jefferson, 8 January 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
5Thomas Jefferson to Patrick Gibson, 26 January 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
6Thomas Leiper to Thomas Jefferson, 17 April 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
7William H. Crawford to Thomas Jefferson, 16 June 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
8William Duane to Thomas Jefferson, 11 August 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
9Lafayette to Thomas Jefferson, 14 August 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]
10José Corrêa da Serra to Thomas Jefferson, 20 September 1814 (Jefferson Papers)
Castlereagh, Robert Stewart, Viscount; as foreign secretary [index entry]