Source: Record of promotion in Corporal L.J. Criess, reg. no. 225548 service record.
Leeson, John Ernest: Service no. 770101
War Diary of the 18th Battalion CEF
Articles, war diaries, and recognition to the Men of the "Fighting 18th"
Source: Record of promotion in Corporal L.J. Criess, reg. no. 225548 service record.
War Diary of the 18th Battalion CEF 