Gerhard Wehr ; with the riddles of the soul : depth psychology and anthroposophy by Hans Erhard Lauer ; translated by Magdalene Jaeckel ; forword by Robert SardelloAnthroposophic Pressc2002
by Rudolf Steiner ; with an introduction and descriptive outline by Robert A. McDermott ; [translation by Catherine E. Creeger]Anthroposophic Pressc2001