Morrison, H.B and F.E. Hull. "The presence of agglutinins for brucella abortus in milk." Kentucky Agricultural Experiment Station, University of Kentucky, Bulletin No.369, April 1937.

Morrison, H.B and F.E. Hull. "The presence of agglutinins for brucella abortus in milk." Kentucky Agricultural Experiment Station, University of Kentucky, Bulletin No.369, April 1937., Box: 4. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/263081 Accessed December 26, 2025.