1. Choi Jonggo, Gukka wa Jonggyo (Seoul: Hyeondae sasang-sa, 1983)
2. Dallet, Charles. Han’guk Cheonjugyohoe sa, Translated by An Eung-nyeol and Choe Seogu, I (Seoul: Bundo Press, 1980)
3. Gang Sinhang, Hunmin jeonggum yeun’gu [Studies of the Hunmin jeonggum] (Seoul: Seunggyun’gwan University Press, 1990),
4. Han Ugeun, Yugyo jeongch’i wa Bulgyo (Seoul: Iljogak, 1993)
5. ter Haar, B. J. The White Lotus Teachings in Chinese History (Honolulu:University of Hawaii Press, 1999)