Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Powell Duffryn Associated Collieries Limited, report
''Report of the Directors and Balance Sheet of Powell Duffryn Associated Collieries Limited. 31st March, 1939''. Seven pages, stapled.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.