Personal correspondence, correspondence regarding broadcasts and articles, political correspondence as Chancellor of the Exchequer, and constituency correspondence.

Correspondents include Roy Hattersley, Shirley [Williams], "Win" [Winifred Healey], Sir Derek Mitchell, Gordon [Richardson], Peter Archer, Charles Villiers, Michael Walker, Harry Lamborn, Cledwyn Hughes, Ernest Armstrong, David Lipsey, Kenneth Robinson, Adrian Cadbury, Peter [Archer], Ron Hayward, Prince Bernhard of the Netherlands, Harold Wilson, Noble Frankland, Helmut Schmidt, James Callaghan, Mary Hedley-Miller, Lee Kuan Yew, Anthony Rawlinson and David Owen, among others.

Also includes information booklet and note on administrative arrangements for and an international conference in Puerto Rico [2nd G7 Conference], photographs, a guide to and map of Guyana, programme for an entertainment in honour of the delegates to the Commonwealth Finance Ministers' Conference, copy of invitation to the 1973 inuaguration of Richard Nixon as Preseident of the USA, extract from Hansard regarding social services, membership card for the Golcar Socialist Club, and papers relating to a meeting of Heads of State at Château de Rambouillet including declaration and lunch and dinner menus.