Sam Hyun
Samhyun Suan is mainly composed of Gulbong Song Ki-pyo (1534-1599), Ugye Gonghwa (1545-1598), Yulgok Lee (李 珥, 1536-1584) was written in four generations in later generations. It was designated as Korea Treasure No. 1415 on August 31, 2004. "Samhyun Sangan" is composed mainly of Gubong Song Ik-pyo (1534-1599), Ugye Gyeonggi (1545-1598), Yulgok Lee 珥, 1536~1584) was written in four generations in later generations. Gubong, Ugye and Yulgok are closest friends and are the masters of the sixteenth-century scholarship, which are mainly composed of the mind, the mind, This book, which is a collection of letters discussing and discussing theology, including precepts and theology, is a precious resource both in ideological history and in scholarly history.