1. P. J. Beek, Juggling Dynamics, Free University Press, Amsterdam, 1989.
2. W. Feller, Introduction to Probability Theory and its Applications, 3rd edition, John Wiley & Sons, 1968.
3. The physics of juggling
4. K.H. Ziethen and A. Allen, Juggling, The Art and its Artists, Werner Rausch & Werner Lüft Inc., 1985.