Ffeil O2382. - Adroddiadau a llyfrynnau amrywiol, gan gynnwys The Social Accounts of the Welsh Economy gan Edward Nevin, 1957; Wales: The Way ...,

Adroddiadau a llyfrynnau amrywiol, gan gynnwys The Social Accounts of the Welsh Economy gan Edward Nevin, 1957; Wales: The Way Ahead, 1977; A Socio-Economic Strategy for the Valleys of South Wales wedi'i gyhoeddi gan Dy Toronto, Aberfan, 1977; Values, Protest and Minority Nationalism in Wales gan Ian McAllister o Brifysgol Genedlaethol Awstralia, Canberra, 1982; Y Traethodydd, Ebrill 1988; To Be Or Not To Be: the Question of Local Democracy in Britain gan Ioan Bowen Rees, 1988; a chopïau o'r ITN Factbook, 1991 a 1992. (Adnau C1997/22).