1. S. Baruk, L'age du capitaine, Editions du Seuil, Paris, 1985.
2. Isaiah Berlin, Against the Current: Essays in the History of Ideas, Viking, New York, 1980.
3. P. J. Davis and R. Hersh, The Mathematical Experience, Birkhäuser-Boston, Cambridge, 1980.
4. P. J. Davis and R. Hersh, Descartes' Dream: The World According to Mathematics, Harcourt Brace Jovanovich, San Diego, 1986.