1. Altmann, S. A., 1962. A field study of the sociobiology of rhesus monkeys,Macaca mulatta.Ann. N.Y. Acad. Sci. 102(2): 338–435.
2. Asdell, S. A., 1964.Patterns of Mammalian Reproduction. 2nd edition. Ithaca, Cornell University Press, New York.
3. Bartelmez, G. W. (collaborating withG. W. Corner & C. G. Hartman), 1951. Cyclic changes in the endometrium of the rhesus monkey (Macaca mulatta).Contributions to Embryology, 34 (227), Carnegie Institution of Washington.
4. Bourliere, F., 1964.The Natural History of Mammals. 3rd edition. Alfred A. Knopf, New York.
5. Carpenter, C. R., 1942a. Sexual behavior of free-ranging rhesus monkeys (Macaca mulatta): Specimens, procedures and behavioral characteristics of estrus.Jour. Comp. Psychol. 33: 113–142.