Title Tibetan Yoga and secret doctrines, or, Seven books of wisdom of the Great Path, according to the late Lama Kazi Dawa-Samdup's English rendering / arranged and edited with introductions and annotations to serve as a commentary by W.Y. Evans-Wentz ; with foreword by R. R. Marett and yogic commentary by translator-professor Chen-Chi Chang; with a new foreword by Donald S. Lopez, jr.