Including a letter from James Callaghan and a letter to Harry Calvert, about Northern Ireland, September 1969 (2); a letter from Mark Carlisle, enclosing a report, about a visit to Northern Ireland, 20 August 1969; correspondence with John Boyd-Carpenter, June 1969 (2); correspondence with Anthony Crosland, June-July 1969 (3); correspondence with James Callaghan, about immigration and about Northern Ireland, June-September 1969 (4); a forwarded copy of a letter to Edward Heath from Robin Chichester-Clark, about Northern Ireland, 11 September [1969]; correspondence with Robin Chichester-Clark, July 1969 (2); correspondence with Ronald Duncan, August-September 1969 (2); a letter from Douglas Dodds-Parker, 29 August 1969; and a letter from Sir Henry D'Avigdor-Goldsmid, 19 August 1969.