1. The Alfred E. Cohn Papers, RG 450C661, Rockefeller University Archive, Rockefeller Archive Center, Sleepy Hollow, New York. (Cited as AEC)
2. The Edmund Vincent Cowdry Papers, Washington University Medical College Archive, St. Louis, Missouri. (Cited as EVC)
3. The Nathan W. Shock Papers, The Bentley Historical Library of the University of Michigan, Ann Arbor, Michigan. (Cited as NWS)
4. The Walter B. Cannon Papers, HMS c40, The Countway Medical Library Archive, Boston, Massachusetts. (Cited as WBC)
5. The William de Bernier MacNider Papers, call number 837, The University of North Carolina Archive, Chapel Hill, North Carolina. (Cited as WDM)