1Kusan Sunim, The Way of Korean Zen, translated by Martine Batchelor, Boston and London: Weatherhill, 2009, p.42.
2Rick Fields, How the Swans Came to the Lake: A Narrative History of Buddhism in America, Second Revised and Updated Edition, Boston: ShambhalaPublications, Inc., 1986, pp.352-353.
3Kusan Sulyun, Nine Mountains: Dharma-lectures of the Korean Meditation Master Ku San, Suneheon: International Meditation Center, Song Kwang Sa Monastery, Chogye Chonglim and Charlottesville: University of Virginia, 1976.
