Montgomery Diary notes 13 July 1944, "On the First Army front a heavy blow west of ST LO must aim at "writing off" all the enemy troops between that place and the west coast of the peninsula; having broken in, fresh divisions must pass through and swing right-handed towards COUTANCES and GRANVILLE.
28. I saw Dempsey and Bradley and got them working on these plans. Actually, they have both been working up to these battles for some time and the business we now want to do is merely in accordance with my directive M. 510 dated 10 July". Montgomery and the Battle of Normandy, p. 204 (Ed. S. Brooks, Army Records Society 2008).