1Robert Walsh to Thomas Jefferson, 27 January 1818 (Jefferson Papers)
Dobson, Thomas; andAmerican Register [index entry]
2Thomas Jefferson to Robert Walsh, 19 February 1818 (Jefferson Papers)
Dobson, Thomas; andAmerican Register [index entry]
3Thomas Jefferson to Mathew Carey, 1 March 1818 (Jefferson Papers)
Dobson, Thomas; andAmerican Register [index entry]
4Robert Walsh to Thomas Jefferson, 12 March 1818 (Jefferson Papers)
Dobson, Thomas; andAmerican Register [index entry]