Source: Found while doing research relating to the death by gas of Private Michael Welsh, 53173. News clipping attached refers to a soldier that led to the discovery of this soldier. Though listed in the Nominal Roll, he was missed.

War Diary of the 18th Battalion CEF
Articles, war diaries, and recognition to the Men of the "Fighting 18th"
Source: Found while doing research relating to the death by gas of Private Michael Welsh, 53173. News clipping attached refers to a soldier that led to the discovery of this soldier. Though listed in the Nominal Roll, he was missed.