1. Chogyam, Nagpa. Journey into Vastness: A Handbook of Tibetan Meditation Techniques. Longmead, Shaitsbury, Dorset: Element Books, 1988.

2. Lipman, Kennard, and Merrill Peterson. You Are the Eyes of the World: Longchenpa. Novato, Calif.; Lotsawa, 1987.

3. Norbu, Namkhai. The Crystal and the Way of Light: Sutra, Tantra and Dzogchen. New York: Routledge & Kegan Paul, 1986.

4. Norbu, Namkhai. The Cycle of Day and Night: An Essential Tibetan Text on the Practice of Dzogchen. Barrytown, N.Y.: Station Hill Press, 1987.

5. Rangdrol, Tsele Natsok (translated by Erik Perna Kunsang). The Mirror of Mindfulness: The Cycle of the Four Bardos. Boston: Shambhala Publications, 1989.

6. Reynolds, John (trans.). Self-Liberation Through Seeing with Naked Awareness. Barrytown, N.Y.: Station Hill Press, 1989.

7. Sogyal Rinpoche. Dzogchen and Padmasambhava. Berkeley: Rigpa Fellowship, 1989.