Diary relating to the First World War service of 475 Private Gordon Colin Cooper, 1st Light Horse Regiment. In this diary, written between 1 January 1916 and 13 January 1917, Cooper records his service as part of 1st Light horse Regiment, which also includes sketches, addresses, poems and other notes. Cooper details his service in Egypt and the Sinai, and describes the battle of Romani, Magdhaba and Rafa.