1George Ticknor to Thomas Jefferson, 14 October 1815 (Jefferson Papers)
schools and colleges; University of Göttingen [index entry]
2John Vaughan to Thomas Jefferson, 21 November 1815 (Jefferson Papers)
schools and colleges; University of Göttingen [index entry]
3George Ticknor to Thomas Jefferson, 25 November 1815 (Jefferson Papers)
schools and colleges; University of Göttingen [index entry]
4Elisha Ticknor to Thomas Jefferson, 26 January 1816 (Jefferson Papers)
schools and colleges; University of Göttingen [index entry]
5George Ticknor to Thomas Jefferson, 15 March 1816 (Jefferson Papers)
schools and colleges; University of Göttingen [index entry]