Correspondence and papers on the prosecution of the Ministry of Defence official Clive Ponting under the Official Secrets Act after he sent documents on the sinking of the Argentine warship General Belgrano during the Falklands War to the MP Tam Dalyell. Includes: statements and press releases on the campaign for reform of the Official Secrets Act; press-cuttings on the case; rough speech notes [?] for Prime Minister’s Questions; correspondence with Margaret Thatcher, Prime Minister; correspondence with John Morris [Shadow Attorney General] and Samuel Silkin [former Attorney General] on the prosecution.