Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Powell Duffryn Steam Coal Company Limited, report
''Report of the Directors and Balance Sheet of The Powell Duffryn Steam Coal Company Limited. 31 March 1937''. Seven pages, stapled.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.