- Letter from Stuart Campbell enclosing his letter of resignation as Editor of the "Sunday Pictorial" (11 July 1945)
- Paper "The Dollar Crisis" (30 July 1947)
- Letter (31 December 1968) from the Obituary Department, The Times, together with copy of a 'stock obit.' on Cecil-King.
- Transcript of Cecil King interview on Radio Eireann (4 August 1976)
- Transcript of Cecil King interview on 'Talking Personally' with Eamon Andrews (23 May 1983)
- Copy Royal Institution Lecture on Extra-Sensory Perception by Cecil King (21 Feb 1969)
- Programme for a dinner to celebrate Fifty Years in Publishing and the Seventieth Birthday of Cecil King (February 1971)
- Copy Cecil King quotations from 'The Cecil King Diary, 1965-1970' regarding Hugh Cudlipp and others.
- Copy letter from Margaret Thatcher PM to Ted Leadbitter MP (1981) regarding Margaret Thatcher's refusal of a probe into the 'spy' affair.
- Daily Mirror Memo marked 'Confidential' (2 May 1969) from Peter Stephens (Daily Mirror Paris bureau) to Hugh Cudlipp regarding Cecil King's visit in April. Reports on Cecil King's meeting with President Pompidou in which he stated that Harold Wilson was not in control and that the military might seize control.
- Daily Mirror memo dated 4 July 1969, marked 'Private & Confidential': Peter Stephens (Daily Mirror Paris bureau) to Hugh Cudlipp regarding Cecil King's visits to France that year. Hugh Cudlipp's handwritten note itemises the contents:
(1) CHK's pessimism and attacks on Harold Wilson.
(2) Meetings with Sir Oswald Mosley
(3) Ruth King's "Jewish bribe" allegations (dismissal of Cecil King from IPC Board)
- Daily Mirror memo dated 10 March 1972: Peter-Stephens (Paris) to Hugh Cudlipp re. Cecil King's stay in Paris 5-9th March 1972. His meetings with President Pompidou, Jean Monnet, Oswald Mosley. His comments on Edward Heath, the Common Market, Ireland, Tory ministers inter alia. Ruth King refers to the IRA as "My Provisionals".
- Correspondence with Ralph Champion (Daily Mirror N.Y. Bureau) regarding Cecil King's trip to the USA in 1969.
- Undated typed note with amendments regarding an article in The Guardian, alleging Cecil King had sought office under the Wilson administrations.
- Correspondence regarding Cecil King's peerage
- Correspondence regarding Graham Sutherland portrait of Cecil King (1967-1969)
- Correspondence regarding 'Strictly Personal' (1969) includes memo from Max Aitken regarding references to his father being "evil" in the book. See Colin Vines's query regarding this in his letter 16 March 1983 in this section.
- Correspondence regarding 'With Malice Towards None' (1970)
- Correspondence regarding 'With Charity Towards All' (1972)
- Correspondence with Paul Baker, The Law Quarterly Review, regarding the deposing of Cecil King from IPC