Rhagolygon a Chyfle yng Ngogledd Cymru Ychwanegu i'r clipfwrdd R2/13 Ffeil [?1990] Rhan oInstitute of Welsh Affairs Records,
North Wales: Prospects and Opportunities Ychwanegu i'r clipfwrdd R2/9 Ffeil 1989 Rhan oInstitute of Welsh Affairs Records,
The Place of North Wales Ychwanegu i'r clipfwrdd G/1 Ffeil 1996 Rhan oInstitute of Welsh Affairs Records,
North Wales Committee Ychwanegu i'r clipfwrdd A1/23 Ffeil 1989-1990 Rhan oInstitute of Welsh Affairs Records,