Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Guide to Consultation in the Coalmining Industry (booklet)
36 page booklet with dark blue covers, stapled at centre. Revised edition, 1963.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.