1. Lessons learned from eighteen months’ experience with cooperative breeding of dairy cattle in New Jersey;Bartlett;Proc. Am. Soc. An. Prod.,1939
2. A study of the mammalian sperm cell. I. Variations in the glycolytic powers of spermatozoa and their relation to motility and its duration;Comstock;J. Exp. Zool.,1939
3. Methods for semen evaluation. I. Density, respiration, glycolysis of semen;Comstock;Proc. Am. Soc. An. Prod.,1939
4. Some factors affecting artificial insemination in cattle;Davis;Proc. Am. Soc An. Prod.,1938
5. Evaluating bovine semen. I. Influence of the number of ejaculates upon various physical and chemical characteristics and the relationship between those factors;Davis;Proc. Am. Soc. An. Prod.,1939