Monmouthshire and South Wales Coal Owners Association Records,
Monmouthshire and South Wales Coal Owners Association Records,
James Griffiths papers
James Griffiths papers
Glamorgan Coal Company Limited v South Wales Miners Federation and Others,
Glamorgan Coal Company Limited v South Wales Miners Federation and Others,
Eight Hours Act,
Eight Hours Act,
Contributions to the South Wales Miners Federation,
Contributions to the South Wales Miners Federation,