Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Welsh Associated Collieries Limited, report
''Report of the Directors and Balance Sheet of Welsh Associated Collieries Limited. 31st March, 1937.'' Six pages, stapled.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.