Glo, trydan a nwy/Coal, electricity and gas
- P1/54
- Ffeil
- 1978-1979
Public utilities -- Great Britain
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Public utilities -- Great Britain
Termau cyfwerth
Public utilities -- Great Britain
Termau cysylltiedig
Public utilities -- Great Britain
3 Disgrifiad archifol canlyniad ar gyfer Public utilities -- Great Britain
3 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach
Nwy a thrydan/Gas and electricity
- P1/68
- Ffeil
- 1974-1977
Ynni: ffeil seneddol/Energy: parliamentary file
- P1/90
- Ffeil
- 1976-1978