1-5 of 5 Books
Saram kkol ŭl mandŭnŭn ch'aek
By Hwi-mun Yu
Yŏkchu pŏnyŏk Sohak
By Yu-gi Yi
Chosŏn ŭi sohak
By Ho-hun Chŏng
Pukhan ch'eje ŭi kiwŏn
By Chae-ung Kim
Yŏja sohak
By Chu-wŏn oe Kim