Source:
Cylchgrawn Llyfrgell Genedlaethol Cymru. The National Library of Wales journal. National Library of Wales [Cylchgrawn Llyfrgell Genedlaethol Cymru] 1976; Vol. 19 (3), pp. 249-92.Publisher: Council of the National Library of Wales] Country of Publication: Wales NLM ID: 100967321 Publication Model: Print Cited Medium: Print