1John Crawford to Thomas Jefferson, 17 December 1811 (Jefferson Papers)
In 1808 I did myself the honourr honour to forward to you a periodical paper, the Observer, then published here, in which I made some communications on the cause and seat of diseases. I have been engaged with that subject ever since, in composing Lectures which I hope to deliver this winter. I presume to think I have brought it to a considerable degree of perfection and trust I shall be able...
2Thomas Jefferson to John Crawford, 2 January 1812 (Jefferson Papers)
Your favor of Dec. 17. has been duly recieved, & with it the pamphlet on the cause, seat, & cure of diseases, for which be pleased to accept my thanks. the commencement: which you propose by the Natural history of the diseases of the human body is a very interesting one, & will certainly be the best foundation for whatever relates to their cure. while Surgery is seated in the temple of the...