Chappell, David W. (1987). 'Is Tendai Buddhism Relevant to the Modern World?' in Japanese Journal of Religious Studies 1987 14/2-3. Source: [1]; accessed: Saturday August 16, 2008. p.247
Swanson, Paul L. (2002) Chan and Chih-kuan: Tien-t’ai Chih-i’s View of Zen and the Practice of the Lotus Sutra. Presented at the International Lotus Sutra Conference on the theme “The Lotus Sutra and Zen”, 11-16 07 2002. Source: [2] p.5
Chappell, David W. (1987). 'Is Tendai Buddhism Relevant to the Modern World?' in Japanese Journal of Religious Studies 1987 14/2-3. Source: [3]; p.249