| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Spiritual Horizon of Psychotherapy | 978-0-415-85158-9 (0-415-85158-0) | 2013 |
| Walking With Stones: A Spiritual Odyssey on the Pilgrimage to Santiago | 978-1-4669-0934-2 (1-4669-0934-X) | 2012 |
S S · S. Schmidt · W.S. · W. Schmidt · William S. · William Schmidt