1. Abe, Masao. 1989. Zen and Western Thought. O’ahu, Hawaii: University of Hawaii Press.
2. The Princeton Dictionary of Buddhism
3. Chodron, Pema. 2014. “Signs of Spiritual Progress.” Lion’s Roar, July 18.
4. Cleary, Thomas. 1991. The Secret of the Golden Flower. San Francisco: Harper.
5. Coward, Harold. 1992. “Jung on Amitayur Dhyana Sutra.” In Self and Liberation: The Jung/Buddhism Dialogue, edited by Daniel J. Meckel and Robert L. Moore. Mahwah, NJ: Paulist Press.