G. C. · H. C. · H.G. · Howard C.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Plant Spirit Shamanism: Traditional Techniques for Healing the Soul | 978-1-59477-118-7 (1-59477-118-9) | 2006 | Ross Heaven |
| The Ayahuasca Visions of Pablo Amaringo | 978-1-59477-345-7 (1-59477-345-9) | 2011 | Peter Cloudsley · Pablo Amaringo |