Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Address by Sir Derek Ezra at the N.U.M. Annual Conference, booklet
An address given by 'Sir Derek Ezra, Chairman of the National Coal Board, to the Annual Conference of the National Union of Mineworkers at Aberdeen, 7 July 1971.' 13 page booklet.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.