1. Max Born,The Born-Einstein Letters: The Correspondence between Albert Einstein and Max and Hedwig Born, 1916-1955 (translated by Irene Born), New York: Walker (1971).
2. Max Born,My Life: Recollections of a Nobel Laureate, New York: Scribner (1978).
3. Howard Eves,A Survey of Geometry (Revised ed), Boston: Allyn and Bacon (1972).
4. Banesh Hoffman (with the collaboration of Helen Dukas),Albert Einstein: Creator and Rebel, New York: The Viking Press (1972).
5. George Humphrey, The theory of Einstein and theGestalt Psychologie: A parallel,American Journal of Psychology 35 (1924), 353–359.