The details of the circumstances at the time are mentioned in "Oeyama Mine: the True Story of the Kidnapping of Chinese Nationals and the Forced Labor" written by Kaoru WAKUDA (published by Kamogawa Shuppan Publishers in 2006) and "Roll Call at Oeyama P.O.W. Remembers" written by Frank Evans (published in English only in England in 1985).
この当時の状況は和久田薫著『大江山鉱山　中国人拉致・強制労働の真実』（2006年、（株）かもがわ出版）、フランク・エバンス著『RollCallatOeyamaP.O.W.Remembers大江山の点呼　捕虜は思い出す』（1985年、イギリスにて出版、英文のみ）に詳しい。