________ , E.L. Willett and Jack Seligman. "The effect of the method of making semen smears upon the number of morphologically abnormal spermatozoa." Reprinted from Journal of Animal Science, August 1942.

________ , E.L. Willett and Jack Seligman. "The effect of the method of making semen smears upon the number of morphologically abnormal spermatozoa." Reprinted from Journal of Animal Science, August 1942., 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/263165 Accessed December 22, 2025.