"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.
Papers, MM-373. Thomas Jefferson University - Archives and Special Collections.
Papers, MM-373. Thomas Jefferson University - Archives and Special Collections. http://aisrmedia1.jefferson.edu:81/repositories/2/resources/404 Accessed May 14, 2024.