G. W. Lewis

Differential maturation of an adrenal response to cold stress in rats manipulated in infancy.

S. Levine, M. Alpert, G. W. Lewis, 1958, Journal of Comparative and Physiological Psychology.

Infantile experience and the maturation of the pituitary adrenal axis.

S. Levine, M. Alpert, G. W. Lewis, 1957, Science.

The relative importance of experimenter contact in an effect produced by extra-stimulation in infancy.

S. Levine, G. W. Lewis, 1959, Journal of comparative and physiological psychology.

Strength of a secondary reinforcement as a function of the quality of food reward.

K. M. Michels, G. W. Lewis, 1961, The Journal of genetic psychology.