Sŏnghak chibyode I YiMateriasYugaryuChabuEdiciones (1)Sŏnghak chibyo (1759)s.n.] · korMás obras de I YiKKugyŏk Yulgok chipKugyŏk Yulgok chipKKugyŏk Yulgok chŏnsŏKugyŏk Yulgok chŏnsŏKKugyŏk Yulgok chŏnsŏ chŏngsŏnKugyŏk Yulgok chŏnsŏ chŏngsŏn