Cumings, Bruce
W.W. Norton, 1997
Buku Teks SO
Sunoo, Harold Hakwon
Korean-American Cultural Foundation,, 1970
Buku Teks SO
Kim, Yun-sik, 1936-
Seoul Daehakgyo Chulpanbu, 2008
Buku Teks
Dosochulpha Hanul, 2010
Buku Teks
Casey, Edward S., 1939-
University of California Press, 1997
Buku Teks SO