Sae okpʻyŏn / Chosŏn Minjujuŭi Inmin Konghwaguk Kwahagwŏn Kojŏn Yŏnʼguso pʻyŏnchʻan. - [Pʻyŏngyang] : Kwahagwŏn Chʻulpʻansa, 1963. - 5, 15, 879, 117 p. ; 23 cm. Includes index. LCCN: k 64000383 Subjects--Topical Terms: Chinese characters--Korean.--Dictionaries LC Class. No.: PL935.5 / .S24 1963