1George Logan to Thomas Jefferson, 5 June 1816 (Jefferson Papers)
Logan, George; friendship with TJ [index entry]
2Thomas Jefferson to George Logan, 20 June 1816 (Jefferson Papers)
Logan, George; friendship with TJ [index entry]
3John F. Watson to Thomas Jefferson, [ca. 22 October 1816] (Jefferson Papers)
Logan, George; friendship with TJ [index entry]