P. Jay

Field studies of old world monkeys and apes.

J. Lancaster, S. L. Washburn, P. Jay, 1965, Science.

Chapter 15 – Field Studies

P. Jay, Phyllis C. Jay, 1965 .

Primates: Studies in Adaptation and Variability

Phyllis C. Jay, P. Jay, 1968 .

ASPECTS OF MATERNAL BEHAVIOR AMONG LANGURS

P. Jay, 1962, Annals of the New York Academy of Sciences.

More on Tool-Use Among Primates

S. Washburn, A. Kortlandt, Sherwood L. Washburn, 1967, Current Anthropology.

The social behavior of the langur monkey

P. Jay, 1963 .