9th Aug GORRE: 2/Lieut DJ CLARKSON killed in action when on patrol.
1/6th Battalion War Diary [WO/95/2694]
9.8.18 GORRE SECTOR: Right Battalion HQ shelled with 200 10.5 & 15cm shells. 8 patrols out. one of which encountered the enemy. 2/Lt CLARKSON 6th SF was killed, his body being Brough in.
139 Infantry Brigade: Headquarters War Diary [WO95/2692]