Letters and papers, 1956-61, pertaining to the libel action brought in 1957 by Patrick Marrinan, a barrister, against Gwilym Lloyd-George and Beaverbrook Newspapers Limited. They include transcripts of intercepted telephone conversations between Marrinan and a client, extracts from Hansard reports and newspaper cuttings relating to telephone tapping, a copy of the writ and statement of claim served by Marrinan, and a letter, 1961, to Gwilym Lloyd-George from Harold Macmillan.