Ffyrdd a thrafnidiaeth/Roads and transport Add to clipboard P1/49 File 1971-1974 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Ffyrdd a thrafnidiaeth/Roads and transport Add to clipboard P1/50 File 1975 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Ffyrdd a thrafnidiaeth/Roads and transport Add to clipboard P1/52 File 1977 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Ffyrdd a thrafnidiaeth/Roads and transport Add to clipboard P1/51 File 1976 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Rheilffyrdd/Railways Add to clipboard P1/71 File 1966-1981 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,
Swyddfa Gymreig: ffyrdd/the Welsh Office: roads Add to clipboard P1/78 File 1978-1979 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers, Great Britain. Welsh Office
Trafnidiaeth/Transport Add to clipboard P1/81 File 1973-1981 Part of Papurau Gwynfor Evans/Gwynfor Evans Papers,