KKugyŏk Yulgok chipKugyŏk Yulgok chipde I YiEdiciones (1)Kugyŏk Yulgok chip (1977)Minjok Munhwa Chʻujinhoe · korMás obras de I YiKKugyŏk Yulgok chŏnsŏKugyŏk Yulgok chŏnsŏKKugyŏk Yulgok chŏnsŏ chŏngsŏnKugyŏk Yulgok chŏnsŏ chŏngsŏnMManŏn pongsaManŏn pongsa