Cyflogaeth a nawdd cymdeithasol/Employment and social security Add to clipboard P1/17 File 1977-1979 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Diwydiant a gwaith/Industry and work Add to clipboard P1/45 File 1978-1979 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Gwaith/Employment Add to clipboard P1/56 File 1975-1978 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,