Copies of papers and negatives of photographs relating to his career, 1914-1945, including printed copy of message to officers, non-commissioned officers and men of 8 Corps from Lt Gen Sir Aylmer Hunter-Weston, Battle of the Somme, 4 Jul 1916; typescript letter by Jeffries, dated 1930, to the Director, Historical Section, Committee of Imperial Defence, on the attack by 2 Bn, Royal Dublin Fusiliers, 4 Div, 8 Corps, Battle of the Somme, 1 Jul 1916; typescript text of lecture entitled 'Commandant's address to newly commissioned IO's' [Intelligence Officers] [1942]; typescript Directorate of Army Psychiatry Research Memorandum No 11/02/9A, by Lt Col Henry Victor Dicks, Royal Army Medical Corps, entitled 'The psychological foundations of the Wehrmacht', 1944. Papers on the surrender and occupation of Italy, 1943-1945, including typescript drafts, in English, German and Italian, of announcement by FM Hon Sir Harold Rupert Leofric George Alexander, Supreme Allied Commander, Mediterranean Theatre of War, on the surrender of German and Fascist Republican forces in Italy, 1945; typescript memorandum entitled 'Note on documents taken from Mussolini by Italian partisans and handed to Brigadier Jeffries on May 18th 1945'.