1. Observations on Reproductive Processes in Dairy Cattle and Their Relation to Breeding Efficiency;Casida;Proc. Am. Soc. Animal Production,1936
2. Effects of Diethylstilbestrol Dipropionate upon Postpartum Changes in the Cow;Casida;J. Animal Sci.,1950
3. Length of Service Period in Relation to Productivity and Reproductive Efficiency in Dairy Cows;Chapman;Proc. Am. Soc. Animal Production,1935
4. Analysis of Variation in the Sexual Cycle and Some of Its Component Phases with Special Reference to Cattle;Chapman;J. Agr. Research,1937
5. A Factor in Breeding Efficiency of Dairy Cattle;Clapp;Proc. Am. Soc. Animal Production,1937