Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Mailed Fist's Grasp Upon Our Coal-Supply : The German Purchase of the Whitworth Coal-Field in Wales (article)
Page 151 shows map of area, diagram and three black and white photographs. Reverse is page 152.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.