- BT3.
- Cyfres
- 1889-1947.
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Material related to the work of a number of Monmouthshire and South Wales Coal Owners Association committees including the Joint Emergency Committee, Commercial Committee, Coal Cutters & Conveyers Committee, Coal Dust and General Research Committees, Anthracite & Steam Coal Collieries Committee, Eight Hours Committee, and the Education Committee, amongst others. Material comprises mainly minutes and reports.