Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Development of a Tertiary Coal Concession in Kalimantan (Borneo), article
Offprint of an article by William Arthur Lewis. Dated 3 April 1987. Two pages.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.