Bibliografia
Principal
- Prechtel, Martin (1999) Secrets of the Talking Jaguar: Memoirs from the Living Heart of a Mayan Village Paperback
- Clinton Callahan (2020) Building Love That Lasts: Secrets for Creating an Extraordinary Life and Profound Intimacy With Your Partner
- Clinton Callahan (2022) Conscious Feelings: Living Life Closer To Your Own Truth
- Patrizia Patz (2022) How to heal your emotions and use your feelings as a resource