1. N. Bohr, inAlbert Einstein: Philosopher-Scientist, ed. by P. A. Schilpp (Harper, New York, 1959), p. 209.
2. A. Einstein, inAlbert Einstein: Philosopher-Scientist, ed. by P. A. Schilpp (Harper, New York, 1959), pp. 3?95, 665?688.
3. A. Einstein,Ideas and Opinions (Alvin Redman, London, 1956).
4. A. Einstein, inThe Born-Einstein Letters (Macmillan, London, 1971).
5. A. Einstein, inLetters on Wave Mechanics, ed. by K. Przibram (Vision, London, 1967), pp. 31?41.