Papers relating to Marnham's life and career, 1916-1954, including twelve printed maps of Kashmir and Jammu, India, dated 1916-1933, with printed booklet entitled Notes for visitors to Kashmir (Pratap Government Press, India, 1933); printed programme for film Mons, 1924; twenty two captioned photographs relating to service in Peshawar and Nowshera, India, 1928-1935;typescript 'Report on operations in Greece', 4 Infantry Bde, 3 Mar-28 Apr 1941, with two printed maps of Greece [1941]; typescript official report 'The operations of the 50th (Northumbrian) Division in the Sicilian campaign, July and August 1943', with photograph of the memorial to 1 Durham Infantry Bde, Ponte Primosole, Sicily, 1943; typescript training notes by Maj Gen Charles Falkland Loewen,General Officer Commanding 1 Infantry Div, Mar 1945; printed booklet entitled Notes on the blockade of Berlin 1948. From a British viewpoint in Berlin (Headquarters, British Troops, Berlin, Germany, 1948); group photograph of the Warrant Officers and Sergeants, 62 Heavy Anti Aircraft Regt, Royal Artillery, Lincoln, Lincolnshire, Sep 1951; printed booklet containing list of members of 50 (Northumbrian) Div Officers Dining Club, Aug 1954.

Collection includes manuscript memorandum by Amlot to 6 Sqn RAF Headquarters relating to the suppression of terrorist activities in Palestine, 15 Sep 1938; and press cuttings relating to the Royal Pakistan Air Force, 1948-1950, including mention of Pakistan's procurement of Dakota aircraft, Nov 1949; Amlot's inauguration of the first University Air Sqn at Dacca, East Pakistan, Nov 1949; articles written by Amlot relating to Royal Pakistan Air Force training, strategy, and force strengths, Aug-Sep 1950.