1. Benirschke, K., 1966 Sterility and fertility of interspecific mammalian hybrids. In Comparative Aspects of Reproductive Failure, edited by K. Benirschke, pp. 218–234, Springer-Verlag, New York.
2. Bone, J. F., E. J. Catcott, A. A. Gabel, L. E. Johnson and W. F. Riley, editors, 1963 Equine Medicine and Surgery, American Veterinary Publications, Wheaton, Illinois.
3. Braend, M., 1963 Gene polymorphism in the transferrins of the horse. Genet. Today, Proc, 11th Interntl Cong. Genet. Hague (1963) 1:192.
4. Braend, M., 1967 Genetic variation in horse hemoglobin. Hereditas 58:385–392.
5. Bruner, D. W., P. R. Edwards and E. R. Doll, 1948a Passive immunity in the newborn foal.Cornell Vet. 38:363–366.