1Thomas Jefferson to Robert Patterson, 7 March 1811 (Jefferson Papers)
I had thought that the copies of the Nautical Almanac which you had been so kind as to furnish me with some time ago, had included the present year, till I had occasion to use one, and found myself mistaken. having no other medium of obtaining it at present this moment, I have indulged myself with the hope that your friendship would permit me to ask the favor of you to send me that of the...