Correspondence, memoranda and reports, 1925-26, concerning the preparation of the coalowners' case to be submitted to the 1925 Royal Commission on the Coal Industry chaired by Sir Herbert Samuel. The correspondents include David Davies and Finlay A. Gibson, the secretary of the South Wales and Monmouthshire Coalowners' Association. There is also a transcript of Sir John Simon's speech to the House of Commons, 6 May 1926, on the on-going General Strike.