Altmann, Jeanne. 1980. Baboon Mothers and Infants. Cambridge , MA : Harvard University Press.

Freedman, Daniel. 1979. Human Sociobiology. London : Methuen.

Haraway, Donna. 1989. Primate Visions. London : Methuen.

Hrdy, SarahBlaffer. 1981. The Woman That Never Evolved. Cambridge , MA : Harvard University Press.

Silk, Joan. 1987. “Social Behavior in Evolutionary Perspective  .” In Primate Societies, ed. B.Smutset al. Chicago : Univ. of Chicago Press.

Smuts, Barbara. 1985. Sec and Friendship in Baboons. New York : Aldine.

Strier, Karen. 1988. “Subtle Cues of Social Relations in Muriquis  . Paper presented at 87th Annual Meeting of American Anthropological Association, Phoenix  .

Taub, David. 1984. “Male‐Female Mating Strategies in Baboons and Macaques: A Critique and Re‐evaluation  . Paper presented at Annual Meeting of American Zoological Society, Philadelphia.

Tiger, Lionel. 1977. “The Possible Biological Origins of Sexual Discrimination  .” In Biosocial Man, ed. D. W.Brothwell. London : The Eugenics Society.

Wright, Patricia. 1984. “Biparental Care in Aotus trivirgatus and Callicebus moloch  .” In Female Primates, ed. MeredithSmall. New York : Alan Liss.