1Enclosure: Ferdinand R. Hassler to Robert Patterson, 2 December 1816 (Jefferson Papers)
M rs Hassler told me You had mentioned her last Summer that it was desired a good Watchmaker...
2Thomas Jefferson to Robert Patterson, 1 January 1817 (Jefferson Papers)
Your favor of Dec. 13. came to hand but two days ago. nothing could be so desirable to me as to...