The papers include: official material, mainly from the 1920's and 30's and the Second World War; personal correspondence with Elmhirst's wife and family; Elmhirst's memoirs, both written and recorded; articles and lectures.

Minute [from F A Lindemann, later 1st Lord Cherwell, Prime Minister's Personal Assistant] to WSC comparing totals of operational aircraft for the German Air Force and the RAF. [Copy; given running number 269].

Minute [from F A Lindemann, later 1st Lord Cherwell, Prime Minister's Personal Assistant] to WSC on the progress of the RAF expansion programme. [Copy; given running number 285].

Minute [from F A Lindemann, later 1st Lord Cherwell, Prime Minister's Personal Assistant] to WSC on disagreements between the Minister of State [Lord Beaverbrook, earlier Sir Max Aitken] and the Secretary of State [for Air, Sir Archibald Sinclair, later 1st Lord Thurso] over pilot output and training aircraft. [Copy; given running number 309].

Note [from F A Lindemann, later 1st Lord Cherwell, Prime Minister's Personal Assistant to WSC] giving information on the comparative strengths of the British and German Air Forces in terms of aircraft output and losses and across various theatres. [annotated copy].

Minute from "F.A.L." [F A Lindemann, later 1st Lord Cherwell, Prime Minister's Personal Assistant] to WSC attaching a note giving a summary of the main figures accepted by the Air Ministry for comparative strengths of the British and German Air Forces [see CHAR 20/258B/213-214] and setting out what he considers several "doubtful" points. Initialled by WSC on 15 June. [Copy; given running number 314B].

Minutes [from 1st Lord Cherwell, earlier F A Lindemann, Prime Minister's Personal Assistant] to WSC on the idea of WSC writing a letter to the managing director of a particular firm, producing weapons which effectively deal with tanks and aircraft, countering radio beam bombing, and comparing RAF, and German and Italian air force strengths in the Middle East and Mediterranean. [Copies; given running numbers 334, 335, 336, and 337].

Memorandum [submitted by Sir Edward Bridges, Secretary to the Cabinet] examining proposition by the Lord Privy Seal [Sir Stafford Cripps] for co-operation between the Services through an overall commander. [See CHAR 20/56B/129-134 for Cripps's proposition].

Telegram from Commanders in Chief (Middle East) to WSC giving details of German and Allied army strengths at the beginning of "Crusader" [codename for British North African operation], including details of losses on both sides and reasons for Allied success.

Telegram from General Sir Claude Auchinleck, Commander-in- Chief, Middle East, to WSC on subjects including a tank encounter to the south of Agedabia [Ajdabiyah, Libya], the accuracy of RAF bombing and the movement of enemy ships from Ras el Aali.

Telegrams from General Sir Claude Auchinleck, Commander- in-Chief, Middle East, to WSC on subjects including: activity in Agedabia [Ajdabiyah, Libya]; RAF bombing of Ras Aali; prisoner-of-war figures; fighter planes over Agedabia; news from Lieutenant-General Neil Ritchie [Commander of 8th Army] on the Allied capture of Bardia, and release of British prisoners-of-war.

Telegram from WSC to the President of the United States [Franklin Roosevelt] commenting on the heavy enemy air attack against Malta and British difficulties in providing adequate Spitfire reinforcements; asks that the United States aircraft carrier Wasp be used to take Spitfires from the Clyde [Scotland] to Malta and suggests the third week of April.

Telegram from Sir Stafford Cripps [Lord Privy Seal] (Karachi [India, later Pakistan]) to WSC regarding the defence situation in India, particularly the air and naval situation and commenting on the need for heavy bombers and reconnaissance aircraft.

Telegram from WSC to the Lord Privy Seal [Sir Stafford Cripps] (Cairo [Egypt]) concerning the position of the Air Ministry with regard to supplying bombers to India.