Papers relating to operations of 20 Corps in Palestine, 1917-1918, including third Battle of Gaza; correspondence including with Gen Sir Kenneth Wigram, 1935, and FM Sir Philip Chetwode, 1926-1936, with related papers, 1911-1950; Bartholomew Committee, Jun 1940 including operations in Flanders, organisation and training of troops; Northern Command and civil defence, 1940-1945.

Typescript extract from unpublished memoir relating to Beaumont's RAF service in World War Two, 1939-1945, including Operation DYNAMO, the evacuation of the BEF (British Expeditionary Force) from Dunkirk, France, May-Jun 1940, visits to France by Prime Minister Rt Hon Winston Leonard Spencer Churchill, Jun 1940, the Battle of Britain, 1940, and Beaumont's involvement as Deputy Air Officer, Administration, No 84 Group, 2 Tactical Air Force, in the preparations for Operation OVERLORD, the Allied invasion of occupied Europe, 1944, and the North West Europe campaign, 1944-1945.

The collection consists of pamphlets written by Davidson, papers relating to his part in the Allied Military Mission to Moscow, USSR, 1939 and papers relating to his career in World War Two as Commander in the Royal Artillery and as Director of Military Intelligence. The World War Two material includes maps used in the retreat of the BEF (British Expeditionary Force) to Dunkirk, France, maps used as Director of Military Intelligence to illustrate the progress of the war to Queen Mary, mother of George VI and a personal diary kept while Director of Military Intelligence. There is also a file containing correspondence with E E Thomas of the Cabinet Office Historical Section relating to aspects of Military Intelligence during World War Two.

Memoir entitled 'Salt horse: a naval life', covering his career 1917-1957, notably his participation in the evacuation of British troops from Dunkirk and the sinking of the HMS WAKEFUL, May-Jun 1940, his service in the Mediterranean, Arctic and Atlantic, 1940-1945, including Battle of Matapan, Mar 1941, second Battle of Sirte, Mar 1942, and Battle of North Cape, Dec 1943, privately printed in [1977-1988].

Epic violet', a draft memoir covering his service with the Air Ministry and the BEF, 1939-1940, notably pre-war air intelligence, the 'phoney war' and air reconnaissance in France, Sep 1939-Apr 1940, the German invasion of France, May 1940, and the evacuation of UK troops from Dunkirk, May-June 1940, written in [1957]. 'Skies to Dunkirk', a memoir based on the above draft,published in 1982.

Copy of typescript memoir of his RN career, 1914-1918 and 1939-1943, covering his service with the Harwich force in the North Sea, 1914-1917, notably the Battle of Dogger Bank, Jan 1915, at Nore Command, 1918-1919, in the Atlantic convoys, 1939-1940, Norway, 1940, the evacuation of Dunkirk, 1940, as Staff Officer, HQ Western Approaches, 1940-1941, in the Mediterranean,1941-1942, Madagascar, 1942, Malta convoys, 1942, and the landings in North Africa, 1942, Sicily, 1943, and Italy, 1943. Includes copies of naval signals, 1915-1916.

Photocopy of typescript account of service of 2 Lancashire Fusiliers in France and Belgium, 14 May-2 Jun1940, notably their evacuation from Dunkirk, 30 May-2 Jun 1940, dated 14 Jun 1940.

Always a Grenadier', a memoir covering his life and career, 1916-1968, notably his evacuation from Dunkirk, May 1940, his service with the Grenadier Guards in North Africa, 1942-1943 and 1950-1952, and Italy, 1943-1945, including the landings at Anzio, Jan 1944, and with the 1 Guards Parachute Bn, Palestine, 1946-1948, his involvement in the planning of the Queen Elizabeth II's Coronation, 1952-1953, his work as a member of the Planning Staff, NATO Standing Group, British Joint Services Mission, Washington DC, 1954-1956, his service in Germany, 1959-1961, as General Officer Commanding, London District, 1962-1965, including his involvement in the planning of Rt Hon Sir Winston (Leonard Spencer) Churchill's funeral, 1965, and as General Officer Commanding Berlin (British Sector), 1966-1968, privately printed by the Grenadier Guards in [1982].

Papers and maps chiefly concerning the Fife and Forfar Yeomanry, [1918]-1959, including typescript copy of war diary, 1 Armoured Reconnaissance Bde, British Expeditionary Force (BEF), Belgium and France, 30 Mar-30 May 1940, with typescript recommendations for awards, 1940; typescript account, dated Jun 1942, of dispositions and operations of B Sqn, 1 Fife and Forfar Yeomanry, Belgium and France, 14 May-1 Jun 1940; typescript list entitled '1 Fife and Forfar Yeomanry, nominal roll of casualties sustained in France, 1940'; article by Maj Otho Munton Bullivant, Adjutant, 1 Fife and Forfar Yeomanry, entitled 'With the BEF [British Expeditionary Force] in Flanders', from The Tank [1941]; typescript 'Precis of activities of 1st Fife and Forfar Yeomanry', British Liberation Army, North West Europe, Oct 1944-Feb 1945, and 'Details of activities of 1st Fife and Forfar Yeomanry', 1-31 Mar 1945; correspondence with various officers concerning Regimental affairs, 1943-1945, including Col James Younger, 2nd Viscount Younger of Leckie, Honorary Col, Fife and Forfar Yeomanry, 1945; correspondence, dated 1944-1945, relating to the return of the Regimental band instruments, abandoned by the Fife and Forfar Yeomanry during the retreat to Dunkirk, 1940, and kept by the local townspeople, France, 1940-1944; official correspondence concerning Prain's Army pension and war disablement compensation, 1946-1956; correspondence, dated 1947-1959, relating to the writing and publication of The Fife and Forfar Yeomanry, 1919-1956 by Robert James Batchen Sellar (William Blackwood, Edinburgh and London, 1960). Twenty five photographs relating to the Fife and Forfar Yeomanry, 1923-1945, including group photograph of Armoured Car Company, Fife and Forfar Yeomanry, Annesmuir camp, Scotland, Jul 1923; five photographs of Fife and Forfar Yeomanry Vickers Light Tanks Mark VIB and Universal carriers, France, 1940; official photograph of Infantry Tank Mark IV Churchill Crocodile flame-throwing tank, storming of the Senio river, Italy, Apr 1945.