Ffeil C1/3. - Personal correspondence,

Letters mainly of a personal nature, including a letter concerning the Presentation Goblet to the Queen and Prince Phillip, 1972; a letter from the Royal Institute of British Architects, concerning Sir Clough Williams-Ellis's election as an honorary member; a letter from the University of Wales offering an honorary degree; and letters from the following: Sir Frederick Gibberd; Sir Frederick Osborn; Jonah Jones; James Morris; Earl Lloyd George of Dwyfor; Charles, Lord Aberconwy; Francois Spoerry; Christabel, Lady Aberconway; Augustus John; the Rt Hon. Richard Crossman, MP; Sir Dingle Foot; Henry, Marquis of Anglesey, and other politicians, artists and members of the gentry and the aristocracy, 1930-1976; together with thirteen letters from Lewis Mumford, 1957-1975, and a copy of an article by him, 1930, 'The Wavy Line Versus the Cube', and a photograph of Sir Clough Williams Ellis and Mumford.