Yi, Son-i, 1967-, author
Hangugmunhwasa, 2011
Buku Teks
So, Sang-gyu, author
Sinwon Puraim, 2006
Buku Referensi
Vandesande, Anthony V., author
Myongdo Institute, 1967
Buku Teks
Jo, Hyon Yong, author
Howe, 2009
Buku Teks
Sohn, Ho-min, author
University of Hawaii Press, 2004
Buku Teks