Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board Public Relations
Diwydiant
Get it all together as a skilled miner! (booklet)
Publisher: National Coal Board Public Relations
(20th century)
2017.38/548
Diwydiant
The Coalfields of Great Britain (map)
Publisher: National Coal Board Public Relations
(20th century)
2017.38/391
Diwydiant
The North Wales Coalfield (leaflet)
Publisher: National Coal Board Public Relations
(20th century)
2017.38/552
Diwydiant
Address by Sir Derek Ezra at the N.U.M. Annual Conference, booklet
Publisher: National Coal Board Public Relations
(1979)
2017.38/545
Diwydiant
The Coal Miner (booklet)
Publisher: National Coal Board Public Relations
(20th century)
2017.38/551
Diwydiant
National Coal Board, press release
Publisher: National Coal Board Public Relations
(05/09/1969)
2017.38/61
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.