Park, Mok Wol
A bu ji wa a del
Daesan, 2007
Buku Teks
Lee, Son-a
Ba bo so nyon ei nakk
Kkum na r, 1996
Buku Teks
Kim, Yun-gyong, 1971-
Chong so nyon el wihan Hanguk chol hansa : 단군신화에서 현대 철학까지
Duriimedia, 2007
Buku Teks
Kim, Yon-su
Naega a jik a i yeot el ttae : Kim Yon-su sosol sim / Kim Yon-su
Munhak Dong Nea, 2004
Buku Teks
Waley, Arthur
The life and times of Po Chu-I 772-846 A.D.
George Allen and Unwin, 1949
Buku Teks SO