Understanding the I ching : the Wilhelm lectures on the Book of Changes - Wilhelm, Hellmut (Princeton University Press, 1995)
Izvorno objavljeno kao: Change : eight lectures on the I ching / by Hellmut Wilhelm ; translated from the German by Cary F. Baynes (Bollingen Series LXII) i: Lectures on the I ching : constancy and change / by Richard Wilhelm ; translated from the German by Irene Eber (Bollingen Series XIX:2). New York : Bollingen Foundation, cop. 1960