9. CARPENTER, C. M. Report of the New York State Veterinary College,
Cornell University, 1920–21.
10. RETTGER, L. F., and WHITE, G. C. Infectious Abortion in Cattle.
Storrs Agr. Exp. Sta. Bulletin No. 93. January, 1916.
11. MCFADYEAN, SHEATHER and MINETT. Researches Regarding Epizootic
Abortion. Jour. of Comp. Path. and Therap., XXVI, 142, 1913.
12. SCHROEDER, E. C. Bureau of Animal Industry Investigations of Bovine
Infections Abortion. Jour. Amer. Vet. Med. Assoc., LX, p. 542.
February, 1922.
13. BARNEY, J. D. Recent Studies on the Pathology of the Seminal
Vesicles. Bost. Med. and Surg. Jour., CLXXI, 1914, 59.
14. WILLIAMS, W. L. The Diseases of Bulls. Cornell Veterinarian. X, 94.
April, 1920.
15. WILLIAMS, W. L. Report of the New York State Veterinary College,
Cornell University, 1920–21.
16. WILLIAMS. W. W. Technique of Collecting Semen for Laboratory
Examination with Review of Several Diseased Bulls. Cornell Vet.
X, 87, April, 1920.
17. WILLIAMS, W. W. Diseases of the Bull Interfering With Reproduction.
Jour. of Amer. Vet. Med. Assoc., LVIII, 29, October, 1920.
18. HOPPER, E. B. Herd Efficiency from the Standpoint of the
Veterinarian. North Amer. Vet., III, 71, February, 1922.
19. WILLIAMS, W. W. Observations on Reproduction in a Purebred Dairy
Herd. Cornell Veterinarian, XII, 19, January, 1922.
20. WALKER, K. M. The Diagnosis and Treatment of Sterility in the Male.
Lancet, CCI, 228. July 30, 1921.
21. PENDE. Endocrinoglia-Pathologia E Clinica. Abstract in
Endocrinology, II, 42.