Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Appeal for Increased Production (leaflet)
Content Summary - expressions of concern regarding levels of production to meet industrial and domestic demands for coal. Printed on four sides of a folded sheet of paper.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.