1 Kim, Yongtae, "한국 불교사 개설. An Introduction to Korean Buddhist History" Kyongsuwon 1993
2 Chong Uihaeng, "한국 불교 통사. Korean Buddhist History" Hanmadang 1991
3 Han, Ki-du, "한국 불교 사상 연구 (A Study on Korean Buddhist Thought)" Ilchisa 1980
4 Yi, Kiyoung, "원효의 불교 사상 (Wonhyo's Buddhist Thought), 한국 불교 연구 (Study of Korean Buddhism), 3rd ed" 한국불교문화연구원 1987
5 Yi, Kiyoung, "원효사상의 특징과 의의 (Character and Meaning of Wonhyo Thought)" 불교연구 2006
6 Yi, Kiyoung, "원효: 민중불교의 길 (Wonhyo: The Way of Grassroots Buddhism), 삼국의 고승 8 In Eight Eminent Monks of Three Kingdoms" 신구문화사 1976
7 Shim, Chaeyol, "원효 사상. Wonhyo's Thought. vol. 2" Hongbpwn 1986
8 Mu Soeng, "Thousand Peaks: Korean Zen-Tradition & Teachers" Parallax Press 1987
9 Corless, Roger, "The Vision of Buddhism" Paragon House 1989
10 Bloom, Alfred, "The Life of Shinran Shonin" E. J. Brill 1968
1 Kim, Yongtae, "한국 불교사 개설. An Introduction to Korean Buddhist History" Kyongsuwon 1993
2 Chong Uihaeng, "한국 불교 통사. Korean Buddhist History" Hanmadang 1991
3 Han, Ki-du, "한국 불교 사상 연구 (A Study on Korean Buddhist Thought)" Ilchisa 1980
4 Yi, Kiyoung, "원효의 불교 사상 (Wonhyo's Buddhist Thought), 한국 불교 연구 (Study of Korean Buddhism), 3rd ed" 한국불교문화연구원 1987
5 Yi, Kiyoung, "원효사상의 특징과 의의 (Character and Meaning of Wonhyo Thought)" 불교연구 2006
6 Yi, Kiyoung, "원효: 민중불교의 길 (Wonhyo: The Way of Grassroots Buddhism), 삼국의 고승 8 In Eight Eminent Monks of Three Kingdoms" 신구문화사 1976
7 Shim, Chaeyol, "원효 사상. Wonhyo's Thought. vol. 2" Hongbpwn 1986
8 Mu Soeng, "Thousand Peaks: Korean Zen-Tradition & Teachers" Parallax Press 1987
9 Corless, Roger, "The Vision of Buddhism" Paragon House 1989
10 Bloom, Alfred, "The Life of Shinran Shonin" E. J. Brill 1968
11 Shinran Shonin, "The Kyogyoshinsho, trans. and annotated by Kosho Yamamoto" The Karinbunko 1952
12 Thomas, Edward J., "The History of Buddhist Thought" Barns & Noble, Inc. 1951
13 Amore, Roy C., "The Buddhist Tradition, World Religions: Eastern Traditions" Oxford University Press 1996
14 Neuman, Matthias, "Social Conflict and Monastic Spirituality" 39 (39): 1988
15 Shinran Shonin, "Shoshin Ge (The Gatha of True Faith in the Nembutsu)" Ryukoku University Press 1961
16 Bloom, Alfred, "Shinran's Gospel of Pure Grace" The University of Arizona Press 1965
17 Suzuki, Daisetsu T., "Shin Buddhism" Harper & Row 1970
18 Hardy, Gilbert G., "Monastic Quest and Inter-Religious Dialogue" Peter Lang 1990
19 Turner, Victor, "Metaphors of Anti-structure in Religious Culture. in: Changing Perspectives in the Scientific Study of Religion" John Wiley & Sons 1974
20 Pieris, Aloysius, "Love Meets Wisdom : A Christian Experience of Buddhism" Orbis Book 1988
21 Shinran Shonin, "Kyogyoshinsho, (The Teaching, Practice, Faith, and Attainment). Vol. II of Shinshu Shogyo Zensho" Oyagi Kobundo 1941
22 Moon, Simon Young-suck, "Korean and American Monastic Practices" The Edwin Mellen Press 1998
23 Han, Ki-du, "Hanguk Bulgyo (Korean Buddhism)" Wonkwang University Press 1974
24 Fujiwara, Kyoen, "Godensho Nyumon (An Introduction to Godensho). I" Hakaen 1965
25 Bateson, J. H., "Creed. Buddhist, in the Encyclopedia of Religion and Ethics" T & T Clark 1911
26 Spiro, Melford, "Buddhism and Society: A Great Tradition and Its Burmese Vicissitudes, 2nd, expanded ed" University of California Press 1982
27 Yamamoto, Kosho, "An Introduction to Shin Buddhism" The Karinbunko 1963