1Thomas Jefferson to David Hosack, 3 May 1815 (Jefferson Papers)
Th: Jefferson presents his compliments to D r Hosack and his thanks for his very instructive pamphlet on yellow fever. without competence to decide the question which ha s so much divided the Medical faculty here, Whether that fever is produced by an atmosphere specially vitiated solely or with the aid of infection from a diseased body, in other word s whether it originates here, or is...
2Enclosure: Richard Channing Moore to David Hosack, 20 October 1806 (Jefferson Papers)
The discordant opinions which are held by physicians of the first reputation, upon the Subject of yellow fever, have prevented me from Replying to your letter of january last, lest the information which I may offer should give rise to such observations as would necessarily involve me in a medical controversy— From frequent conversations with my worthy preceptor, the late Mr. Richard Bayley ,...
3Thomas Jefferson to David Hosack, 13 July 1816 (Jefferson Papers)
Uninformed of the persons particularly connected with the Botanical garden of N.Y. I hope I shall be pardoned for this address to yourself. I have just recieved from my antient friend Thouin , director of the king’s garden at Paris a packet of seeds selected by him as foreign to the US. they are of the last year’s gathering, but he informs me that if they arrive (as they have done) too late to...
4Thomas Jefferson to David Hosack, 19 January 1817 (Jefferson Papers)
I thank you, Sir, for the books you have been so kind as to send me. they will afford me amusement as well as instruction. from a general view I have taken of Thomas’s work , it appears, with your aid, to be valuable for family use. without science in Medecine, I am yet fond of it’s philosophical speculations. with these I observe your Medical Register mingles disquisitions in all it’s kindred...