Papers, 1908-1974, including Wynne's letters home to his father from Germany, 1908-1911, including detailed descriptions of illegal duelling by students in Hannover, Germany and calling card of General Otto von Emmich, Commander, 10 Army Corps, Hannover, Germany, 1909-1915. Bound typescript account by Wynne, 29 Jul-4 Sep 1914, on his experiences in the BEF's (British Expeditionary Force's) retreat from Mons, Belgium, the Battle of Le Cateau, France, and capture by German forces during the Battle of Le Cateau, France, 26 Aug 1914, written as a POW in Germany, Sep-Oct 1914. Correspondence, press cutting, menus and Christmas cards relating to time as POW, Germany and Netherlands, 1914-1918, including letters written to parents from Portobello Barracks, Dublin, immediately before embarkation for France, Aug 1914; cutting from The Morning Post , 3 Sept 1914, listing Wynne as killed; letter home from POW camp, Magdeburg, Germany, 30 Dec 1914, referring to incorrect report of his death; menus, playing cards and Christmas cards with watercolours by Wynne and signatures of fellow POW's. Correspondence and papers relating to Wynne's work for the Historical Section, Cabinet Office, and to his publications, 1928-1958, including two letters from Maj Gen Sir Ernest (Dunlop) Swinton relating to German defence systems, 30 Sep 1939, and to Wynne's book, If Germany attacks. The battle in depth in the west (Faber and Faber, London, 1940), 2 Feb 1940; manuscript diary and typescript report by Wynne on an official visit to North Africa, 12 Apr-23 May 1943; letters to Wynne from Lt Gen Sir Kenneth Arthur Noel Anderson, General Officer Commanding 1 Army, North Africa, rebutting allegations reported to Wynne by troops of 8 Army of Anderson's poor handling of 1 Army in operations in North Africa, May 1943; three letters from Capt Basil Henry Liddell Hart, dated Jan-Jul 1958, relating to Wynne's article on the Schlieffen plan and The Schlieffen plan. Critique of a myth by Professor Gerhard Ritter (Oswald Wolff, London, 1958). Correspondence, 1939-1974, relating to Wynne's publications, including his book If Germany attacks. The battle in depth in the west (Faber and Faber, London, 1940). Also photograph of Wynne's father, General Sir Arthur Singleton Wynne, c.1914.

Papers comprising printed or typescript reports and supporting publications, on the 1 Army, North Africa, Civil Affairs Staff Centre (CASC), and on the administration of civilians in occupied territory including the Control Commission Germany (CCG), 1885-1947; notably comprising printed and typescript instructions, orders and reports issued by the Provost Marshal's Office, 1 Army, North Africa, including on traffic control, stores, planning, lessons learnt from the operations, intelligence summaries, 1 Army newsletters, 'Crusade', with an air raid precautions poster from Algeria, 1939-1943; reports and typescript summaries relating to the Civil Affairs Staff Centre (CASC), on 'captivity neurosis', the economics and finance of wartime Europe, fire and civil defence, road transport, military writing, the welfare of occupied populations, Nazi doctrines, files of information on national temperaments and characteristics of various occupied countries including Belgium, Denmark, France, Germany and Italy, 1943-1944; appointments diary compiled by Paton Walsh (1945), memoranda, correspondence and papers on aspects of the German penal system under the Nazis and Allied occupation, notably the police, procedures, juvenile courts, penal statistics from Nazi Germany, 1929-1947, including copies of British Zone Review , Nov 1945-Dec 1946; papers on the Control Commission Germany including confidential reports on police trainees, lectures given by Paton Walsh, the purging of Nazis from office, training and planning for post-Nazi administration, training and organisation of the penal system in Allied occupied Germany with observations on the regulation of the system under the Weimar Republic and the National Socialists, precautions against sabotage directed against occupying forces, 1943-1946; witnesses' depositions in the Nuremberg trials, account of Brendonk Concentration Camp, defence positions of the Gestapo, Sturm Abteilung (SA), 1945-1946; papers on Cologne Prison, including an autobiographical account and journal of Rudolf Kirsch, prisoner, and correspondence, 1939-1944, papers on executions at Cologne Prison with copies of the last letters of the condemned, 1941-1944; publications in English on military law, police and transport, mainly manuals, regulations and information notes on Imperial policing, traffic patrols, military law, inspection and care of vehicles, 1917-1945; publications on the Allied occupation of Germany, consisting of notes on the military government of occupied territory, internment camps, contact lists for civil administrators, Who's who in occupied Europe, chart of the Nazi administrative structure, re-education programmes, maps and gazetteers of Germany, Austria and Denmark, 1943-1945; American publications, namely civil affairs information guides, fileld manual of military government, an entertainment guide for American soldiers entitled, 'What's Cooking in Berlin', copies of The Stars and Stripes and the New York Herald Tribune , 1940-1946; general military handbooks including guidance for officers on allowances, the training of Army tradesmen, training manuals on air support of infantry and the use of parachute troops, catering, defence of aerodromes against attack, the disposition of unit records, signals, mine clearance, anti-malarial precautions, 1939-1943; Army Education booklets in a series entitled 'The British Way and Purpose', 1942-1943; German language publications on law, crime and prisons especially regulations, criminal biology, youth crime, 1885-1942; German National Socialist publications on topics ranging from flying schools, the SA in Berlin to the beginnings of radio broadcasting,1926-1946; maps, mainly Ordnance Survey and Stanfords, of United Kingdom cities and counties, including Wolverhampton, Winchester, Dover, East Sussex and Suffolk, 1913-1940; maps of Germany, central and eastern Europe, 1936-[1945]; maps of Algeria, French North Africa, Tunisia, 1942; propaganda cartoon and other posters published by the Evening Standard , Stationery Office and Army Bureau of Current Affairs, 1944; 1 file of telegrams, commission of 1918 and details of the various promotions of Paton Walsh, 1916-1947.