4 books in this genre
Silsi haksa sanʾgo
U-sŏng Yi
Koun Ch'oe Ch'i-wŏn ŭi ch'ŏrhak, chonggyo sasang
Koun Kukche Kyoryu Saŏphoe (Korea)
Yoksa wa minjok
Kim, Chang-su
Ki Chŏng-jin chʻŏrhak sasang yŏnʼgu
Hang-nae Pak
