문화관광부:         MR:

  •   The precursor of literature of this genre may be sought in a collection of stories called Tales of the Bizarre (Sui chŏn) by Pak Il-lyang (?-1096), but writings of this kind were immensely popular in the period of military rule....

       Lee Ki-baik. 1984. A new history of Korea. Trans. Edward Wagner and Edward J. Shultz. Seoul: Ilchokak Publishers. p.153