Source: Per news clipping post by David Archer at 18th Battalion Facebook Page (not group).
Find-A-Grave
Williams, Ernest Herbert Victor: Service no. 404545 (Incorrectly stated at LAC as 404546)
War Diary of the 18th Battalion CEF
Articles, war diaries, and recognition to the Men of the "Fighting 18th"
Source: Per news clipping post by David Archer at 18th Battalion Facebook Page (not group).
Find-A-Grave
War Diary of the 18th Battalion CEF 