Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Welsh Associated Collieries Limited, report
''Welsh Associated Collieries Limited. First Report and Balance Sheet, 31st December, 1930.'' Printed on four sides of a folded sheet of paper.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.