- Livre audioLao-tse TAO TE KINGZensho W. Kopp
- Livre audioThe direct ZEN-Way to LiberationZensho W. Kopp
- Livre audioLao-tse Tao Te KingZensho W. Kopp
- Livre audioLa Vida Verdadera Mediante el ZenZensho W. Kopp
- Livre audioEl Despertar al Verdadero Si MismoZensho W. Kopp
- Livre audioAwakening to Your True SelfZensho W. Kopp
- Livre audioTrue life through ZENZensho W. Kopp