1. Branton, Cecil, Johnston, J. E., and Griffith, W. S. Interrelationships Among Climate and Thyroidal Activity, Semen Production, and Fertility of Dairy Bulls. Ann. Progr. Rept. Research in Dairying, Louisiana State University Dairy Dept., Publ. No. 5. 1955.
2. Transition from Anestrus in the Mare and the Effects of Artificial Lighting;Burkhardt;J. Agr. Sci.,1947
3. The Effect of Exposure to High Ambient Temperatures on Spermatogenesis in Dairy Bulls;Casady;J. Dairy Sci.,1953
4. Changes in Fertility of Dairy Bulls in Northwest Washington;Erb;J. Dairy Sci.,1952
5. Green, B. Studies on the Effects of Summer Climatic Conditions on Physiological Reactions, Semen Production and Fertility of Bulls Used for Artificial Insemination in Louisiana. M.S. thesis, Louisiana State University. 1953.