Addysg a'r Iaith Gymraeg/Education and the Welsh Language Add to clipboard P1/4 File 1977-1978 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Addysg/Education Add to clipboard P1/2 File 1972-1975 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Addysg/Education Add to clipboard P1/3 File 1976-1978 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Swyddfa Gymreig: Addysg/Welsh Office: Education Add to clipboard P1/76 File 1978-1979 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers, Great Britain. Welsh Office
UCAC Add to clipboard P1/85 File 1978-1979 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers, Undeb Cenedlaethol Athrawon Cymru