Notebooks of David B. and John Willson

Two notebooks of John Willson concerning clinical cases at Harvard Hospital, 1857-1860 ; two lecture and clinical notebooks of David B. Willson at Jefferson Medical College, 1861-1862 ; one notebook of David B.Willson at Jefferson Medical College and Howard Hospital, 1862-1863 ; one notebook of David B. Willson containing newspaper clippings of "Rifle and Light Infantry Tactics" dated April 22, 1861, pasted over medical notes ; and one notebook apparently shared by David B. and John Willson while students at the University of Pennsylvania, 1858-59.