Howard, Keith, author
Royal Asiatic Society Korea Branch, 1990
Buku Teks
Glazer, Tom, author
Bantam Books, 1961
Buku Teks
Pak, Jong Soeb
Moonchangsa, 2007
Buku Teks
Kim, Thae-Jun, author
Bakijeong, 2011
Buku Teks
Schindler, Kurt
Hispanic institute in the United States, 1941
Buku Teks