1. Evaluating Bovine Semen. I. Influence of the Number of Ejaculates upon Various Physical and Chemical Characteristics and the Relationship Between These Factors;Davis;Amer. Soc. Anim. Prod., Proc.,1939
2. Fertility Studies in the Bull;Donham;Amer. Vet. Med. Assoc. Jour.,1931
3. Some Factors Affecting Breeding Efficiency in Dairy Cattle;Erb;Jour. Dairy Sci.,1940
4. The Physiology of Reproduction in the Cow;Hammond,1928
5. Variations in Dairy Bull Semen with Respect to Its Use in Artificial Insemination;Herman;Mo. Agr. Expt. Sta. Res. Bul.,1941