Hyam embarked from Melbourne 0n 28 May 1915 and was fatally wounded at Gaza in late March 1917. Diaries cover the period from embarkation until December 1916.One 1916 pocket diary with leaf of tree, and one Norman Bros.1915 diary with photograph of Hyam's Unit and of his dog. Diary of William Hyam (3 - 13th Light Horse Regiment, Headquarters and Machine Gun Section).ww1, diaries, william raymond hyam, 13 light horse regiment