Yi, Chong-su. Sangsik yoram / [chŏja kyŏm parhaengin Yi Chong-su]. - Chʻopʻan. - Sŏul Tʻŭkpyŏlsi : Sinhwa Munhwasa, tanʼgi 4291 [1958] - 758 p. ; 21 cm. LCCN: k 67001155 Subjects--Topical Terms: Korean language--Dictionaries.Handbooks, vade-mecums, etc. LC Class. No.: PL935 / .Y43