Chogay Trichen Rinpoche - The History of the Sakya Tradition
Blezer, Henk - Kar Glin Zi Khro_A Tantric Buddhist Concept
Blofeld - Mantras Sacred Words of Power
1991 - Inner Space ~ Introduction to Kabbalah, Meditation, and Prophecy 2nd ed. - A. Kaplan, ed. A. Sutton
