So, Jong-mun
P'ansori wa sin chae hyo yongu
Jeiaenssi, 2008
Buku Teks
Im, Yong-gi
Kugosa yongu odi kkji wa innunga = studies where labeling gukeosa up
Taehaksa, 2006
Buku Referensi
Kim Chang-sop
Hangugo hyongtaeron yongu
T'aehaksa, 2008
Buku Teks
An, Hwi-jun
Hanguk hoehwasa yongu
Sigongsa , 2000
Buku Teks
Chon, Ho-tae, 1959-
Koguryo kobun pyokhwa yongu
Sagyejol, 2000
Buku Teks