Keith Jack diary, Jul 14-17, 1916, pp21-26
Jack, Gaze and Cope have recently returned from sledging journeys (running from late October 1915 to 15 January 1916). They are still waiting on Joyce, Wild, Richards, Mackintosh and Hayward (Arnold Spencer Smith died on the return from Beardmore Glacier). On the 15th Jack learns that three of the men have perished.
Refer to 'Transcript' section for full diary extract from July 15th when the second party returns.