1Thomas Jefferson to Charles Johnston, 18 February 1810 (Jefferson Papers)
Johnston, Charles; letters to [index entry]
2Thomas Jefferson to Charles Johnston, 12 October 1810 (Jefferson Papers)
Johnston, Charles; letters to [index entry]
3Thomas Jefferson to Charles Johnston, 15 November 1812 (Jefferson Papers)
Johnston, Charles; letters to [index entry]
4Thomas Jefferson to Charles Johnston, 7 September 1813 (Jefferson Papers)
Johnston, Charles; letters to [index entry]
5Thomas Jefferson to Samuel J. Harrison, Charles Johnston, and Archibald Robertson, [13] August 1817 (Jefferson Papers)
Johnston, Charles; letters to [index entry]