Ynni: ffeil seneddol/Energy: parliamentary file
- P1/90
- File
- 1976-1978
Ynni: ffeil seneddol/Energy: parliamentary file
Y wasg a darlledu/the press and broadcasting
Undebaeth lafur/Trades unionism
Undeb Cenedlaethol Athrawon Cymru
Great Britain. Treasury
Tramor: ffeil seneddol/Foreign affairs: parliamentary file
Great Britain. Foreign Office
Teledu a radio/Television and radio
Amaethyddiaeth: ffeil seneddol/Agriculture: parliamentary file
Y Swyddfa Gymreig a chyrff y llywodraeth/the Welsh Office and governmental bodies
Great Britain. Welsh Office
Swyddfa Gymreig: amrywiol/Welsh Office: miscellanea
Great Britain. Welsh Office
Great Britain. Home Office
Swyddfa Bost a Theleffon/Post Office and Telephone service
Great Britain. Post Office