北朝鮮に残るデロイは東芝製？". ゴンブロ！（ゴンの徒然日記） (in Japanese). 6 January 2012. Yamada, Keitarō (1972). 汽車会社蒸気機関車製造史 [Manufacturing History of Kisha Kaisha Steam Locomotives] (in Japanese)...