1. Reconstructing the evolution of the brain in primates through the use of comparative neurophysiological and neuroanatomical data. Pp. 13-28 in Primate Brain Evolution. eds. New York, Plenum, 1982.
2. Postcranial Anatomy, Locomotor Adaptations, and Paleoecology of Early Cenozoic Plesiadapidae, Paromomyidae, and Micromomyidae (Eutheria, Dermoptera). PhD thesis, Johns Hopkins University, Baltimore, 1989.
3. Gliding behaviour and palaeoecology of the alleged primate family Paromomyidae (Mammalia, Dermoptera)
4. Lorises, bushbabies, and tarsiers: Diverse societies in solitary. Pp. 11-24 in Primate Societies. eds. Chicago, University of Chicago Press, 1986.
5. Arboreal adaptations and the origin of the order Primates. Pp. 97-122 in The Functional and Evolutionary Biology of Primates. ed. Chicago, Aldine, 1972.