1. (1980) Baboon Mothers and Infants. Cambridge: Harvard University Press.
2. (1988) Foreword. In and (eds.): Ecology and Behavior of Food-Enhanced Primate Groups. New York: Alan R. Liss, Inc., pp. ix-xiii.
3. Primate Infant's Effects on Mother's Future Reproduction
4. Differences in daily life between semiprovisioned and wild-feeding baboons
5. and (1979) Demographic constraints on behavior and social organization. In and (eds.): Primate Ecology and Human Origins: Ecological Influences and Social Organization. New York: Garland STMP, pp. 47-63.