Dangos 3 canlyniad

Disgrifiad archifol
Llyfrgell Genedlaethol Cymru = The National Library of Wales Monmouthshire and South Wales Coal Owners Association Records, Powell Duffryn Associated Collieries Limited. Ffeil
Rhagolwg argraffu Gweld:
Disgynnol
Powell Duffryn Associated Collieries,
Powell Duffryn Associated Collieries,
Statutory rules and orders, colliery correspondence files,
Statutory rules and orders, colliery correspondence files,
Powell Duffryn Inquiry,
Powell Duffryn Inquiry,