1. SEASONAL ACCLIMATIZATION IN VARYING HARE (LEPUS AMERICANUS)
2. 1961 The fire of life. An introduction to animal energetics. New York: John Wiley & Sons, Inc., p. 206.
3. 1931 The elements of the science of nutrition. Fourth Edition. Philadelphia: Saunders, 844 pp.
4. 1954 Heat regulation in small and large desert mammals. In: Biology of Deserts (ed.), pp. 182-187. London: Institute of Biology.
5. 1964 Desert animals. Physiological problems of heat and water. Oxford, England: Clarendon Press, 277 pp.