1. Seasonal Variation in the Reproductive Capacity of the Bull;Anderson;J. Agr. Sci.,1945
2. Branton, C, Griffith, W. S., Hall, J. G., Johnston, J. E., and Patrick, T. E. Breeding Difficulties of Dairy Cattle in Louisiana. Louisiana Agr. Expt. Sta., Ann. Rept. 1954-55.
3. The Influence of Heredity and Environment on the Fertility of Dairy Cattle;Branton;J. Dairy Sci.,1956
4. Seasonal Influences on Artificial Breeding with Washington Dairy and Beef Bulls;Ehlers,1958
5. Seasonal Variation in Semen Quality of the Dairy Bull;Erb;J. Dairy Sci.,1942