- B 1/42-92.
- Is-gyfres
- 1922-1979
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans
Rhan oGreat Western Railway and British Railways (Western Region) Agreements and Plans