________ and P.A. Levene. "The action of proteolytic enzymes on bacterial toxins." Reprinted from Journal of Medical Research, Vol. VI, July 1901.

________ and P.A. Levene. "The action of proteolytic enzymes on bacterial toxins." Reprinted from Journal of Medical Research, Vol. VI, July 1901., Box: 1. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/262302 Accessed December 20, 2025.