1Henry A. S. Dearborn to Thomas Jefferson, 14 October 1811 (Jefferson Papers)
A fiew days ago I spent the afternoon at Salem with my friend Nath. Bowditch to consult him on...
2Thomas Jefferson to Henry A. S. Dearborn, 15 November 1811 (Jefferson Papers)
Your favor of Oct. 14. was duly recieved, and with it mr Bowditch’s observations on the comet,...