Nahm, Andrew C.
Historical dictionary of the Republic of Korea
Scarecrow Press, 2004
 Buku Teks
Kim, Ik-tu, 1955-
Iyagi Hanguk sinhwa = (story) Korea Myth
Hanguk Munhwasa, 2007
 Buku Teks
Iyagi hanguk yoksa 13 : Daehan Minguk surip kwa minjujuui ui siryon
Pulbiy, 2009
 Buku Referensi
Yi, O-ryong, 1934-
Yi O-ryong ui Samguk yusa iyagi = Yi O-young of Yusa story
Sojong Sihak, 2007
 Buku Teks
An, Myong-suk
Uri ot iyagi : Han guk boksik munhwasa
Yehaksa, 2007
 Buku Teks