Sŏsa minyo yŏnʼgu - Cho, Tong-il (Kyemyŏng Taehakkyo Chʻulpʻanbu, 1979)
In Korean; abstract in English. - Title in English on p. 403: Sōsaminyo yōnku : a study of Korean folk ballad. - Includes indexes
Bibliography: p. 399-402