Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board Statistical Statement (booklet)
'National Coal Board Statistical Statement of the Costs of Production, Proceeds and Profit or Loss of Collieries. First Half-year 1959'. 6 pages, stapled at centre.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.