Copy of his account of Battle of Jutland, 31 May 1916, written on 4 Jun 1916. Copy of text of his despatch from HMS SCYLLA on the Normandy landings, 6-7 Jun 1944, broadcast on the [Forces Programme], 7 Jun 1944, with covering letter, 24 Jun 1944. Copies of extracts from his diary covering his discussion with Adm Hon Sir Alexander Robert Maule Ramsay about the planningof the Normandy landings, Dec [1944], and his visit to Germany, Jun 1945, including his observations on German scientific and technical developments and his interviews with British and German naval officers. Two letters to Grenfell's wife from Baron von Müllenheim-Rechberg, a survivor of the sinking of the Bismarck, May 1941, dated 1978, concerning Grenfell's book The Bismarck episode (Faber and Faber, London, 1948).