Kyungsung Daily article reporting that Kim Il Sung, who attacked <a href="https://en.wikipedia.org/wiki/Battle_of_Pochonbo" class="extiw" title="en:Battle of Pochonbo">Pochonbo village</a> on June 4, 1937, had been killed on November 13, 1937.
경성일보사(京城日報社)
2016-12-01
경성일보(京城日報) 1937년 11월 18일 7면 기사 <a rel="nofollow" class="external free" href="https://www.nl.go.kr/newspaper/detail.do?content_id=CNTS-00129209438">https://www.nl.go.kr/newspaper/detail.do?content_id=CNTS-00129209438</a>