Power stations
Power stations
Ports and docks
Ports and docks
Pollution
Pollution
Politics: general file
Politics: general file
Plaid Cymru: file 3
Plaid Cymru: file 3
Plaid Cymru: file 2
Plaid Cymru: file 2
Plaid Cymru: file 1
Plaid Cymru: file 1
Parliament for Wales Campaign
Parliament for Wales Campaign
Parliament for Wales Campaign
Parliament for Wales Campaign
Oil industry
Oil industry
National Coal Board
National Coal Board
Motor industry
Motor industry
Miscellaneous literary papers
Miscellaneous literary papers
Mid Glamorgan: jobs and employment
Mid Glamorgan: jobs and employment
Microelectronics
Microelectronics
Microchip industry
Microchip industry
Metals: general file
Metals: general file
Local government funding: file 2
Local government funding: file 2