1-7 of 7 Books
Sayŏgwŏn waehak yŏnʾgu
Sayŏgwŏn waehak yŏnʾgu
By Kwang Chŏng
Sayogwon yokhakso chaekpan yongu (Inmun sahoe kwahak chongso)
Sayogwon yokhakso chaekpan yongu (Inmun sahoe kwahak chongso)
By Kwang Chong
Koryŏ sigi yŏksa ŭi myŏt kaji munje
Koryŏ sigi yŏksa ŭi myŏt kaji munje
By Yong-un Pak