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- Letter from Salvator Cillis to 'Miss D.M. Harris', dated Camp Upton, L.I., December 28,1917, p. [2].
- Letter describes the snowball fights the soldiers are having. Also mentions letters Salvatore has been receiving from strangers who saw his poem. Includes illustration: Soldiers having a snowball fight with the caption, 'I fought my first battle with snowballs.'