1-3 of 3 Books
Yuga munhakkwan kwa si segye
Yuga munhakkwan kwa si segye
By Tong-yŏng Yi
Chosŏnjo Akchang ŭi munye mihak
Chosŏnjo Akchang ŭi munye mihak
By Kyu-ik Cho
Hanʾguk sŏsasi wa sŏsa siin yŏnʾgu
Hanʾguk sŏsasi wa sŏsa siin yŏnʾgu
By Pyŏng-uk Min