Source: Per Captain Jackson reg. no. 54145 service record notation on promotion.
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Greenhalgh, Harold: Service no. 54073
War Diary of the 18th Battalion CEF
Articles, war diaries, and recognition to the Men of the "Fighting 18th"
Source: Per Captain Jackson reg. no. 54145 service record notation on promotion.
Find-A-Grave
War Diary of the 18th Battalion CEF 