1. Barber, B. (1961). “Resistance by Scientists to Scientific Discovery”. Science, Volume 134, pp. 596–602.
2. Bethe, H. A. (1968). “Energy Production in Stars”. Science, Volume 161, pp. 541–547.
3. Dukas, H. and Hoffmann, B. (1979). Albert Einstein, The Human Side, Princeton University Press, Princeton, N. J.
4. Dunn, L. C. (1965). A Short History of Genetics, McGraw Hill Book Co., New York.
5. Hoffman, B. and Dukas, H. (1972). Albert Einstein, Creator and Rebel, Viking Press, New York.