연변40년기사, 1949-1989
By: Yŏnbyŏn Tang Sahakhoe pʻyŏnchʻan
Publisher: Yŏnbyŏn Inmin Chʻulpʻansa
Published: 1989
Place of publication: Yŏnʾgil
Language: kor
Number of pages: 514
Other titles: Yŏnbyŏn 40-yŏn kisa, 1949-1989; Yŏnbyŏn sasimnyŏn kisa, 1949-1989.