Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Anthracite Coalfield (article)
Typed in black ink on cream paper. 4 pages with no illustrations.
'The Anthracite Coalfield' by Islwyn Evans.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.