Listening Heart The Spirituality of Sacred Sensuousness Steindl-Rast, Brother David Heftet / 1999 / Engelsk
Music of Silence A Sacred Journey Through the Hours of the Day Steindl-Rast, Brother David Heftet / 2001 / Engelsk
Psychedelics and Spirituality The Sacred Use of LSD, Psilocybin, and MDMA for Human Transformation Roberts Thomas B. Heftet / 2020 / Engelsk
Where Wonder Lives Practices for Cultivating the Sacred in Your Daily Life Fondevila, Fabiana Heftet / 2021 / Engelsk
