Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Don'ts for Miners (booklet)
Full title - Don'ts for Miners and Mine Officials with Heroic Deeds Done in the Deep. A Practical Book for Practical Men. 70 page booklet.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.