Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Union of Mineworkers (South Wales Area)
Diwydiant
National Union of Mineworkers South Wales Area Council. Directory 1951 (booklet)
2018.51/73
Diwydiant
National Union of Mineworkers South Wales Area Council. Directory 1948 (booklet)
2018.51/72
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.