1. Exogenous and Endogenous Components in Circadian Rhythms
2. Cold Spring Harbor Symposium on Quantitative Biology, volume 25 “BIOLOGICAL CLOCKS” 1960 L.I. Biol. Assn., Cold Spring Harbor, L.I., New York (524 pp.).
3. Periodicity of Spore Discharge in Daldinia
4. 1959 Interrupted dark period: tests for refractoriness in Bobwhite Quail hens. pp. 751-758. Photoperiodism and Related Phenomena in Plants and Animals. ed. Washington, D. C.: AAAS.