Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Thesis, PhD
'Watermills, windmills and stationary steam engines in Ireland with special reference to problems of conservation', Ph.D. (Belfast) thesis by the donor. [1975]
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.