Jean-Nicolas CORVISART (1755–1821), physician. L.A., 26 Ventôse III (March 16, 1795), to Citizen Lanefranque, physician at the military hospitals in Nonancourt; 1 page, in-8 format, addressed. They will leave from his home early in the morning with Desault. “We will allow the four days required for the journey and for the care of the patient we are going to see. It is impossible for Desault to grant more time, and my own affairs do not allow me to do so either”… Included is an interesting collection of letters from Dr. Alexandre Aguettant (1815–1870) to Ferdinand Hérold, 18 letters, Romainville 1869–1870; plus an autograph letter from Antoine Becquerel (1864).