Scope and Contents "Working Guide for the Freshmen Class in the Laboratory of Pharmacy" by Leighton F. Appleman, owned by John W. Cressler (JMC 1913), [1909]; and syllabus for a course in physical diagnosis owned by John C. Cressler (the son of John W. Cressler?), ca. 1937-1940.

Scope and Contents "Working Guide for the Freshman Class in the Laboratory of Pharmacy, Jefferson Medical College," [1909], by Leighton F. Appleman, M.D., which O'Brien used as a medical student. Also, one bound volume of notes, reprints, laboratory records and other materials related to O'Brien's study of bacteriology and parasitology when he was a Captain in the U.S. Army.