Cyfaill carcharorion : cofio Merfyn Lloyd Turner, Hydref 21,1915 - Awst 6, 1991 /
Morgan, Dyfnallt,1917-
Dinbych : Gwasg Gee,
1992.
Turner, Merfyn Lloyd, 1915-1991.
Social reformers
Prison reformers
Social work with youth