United National Collieries and the Ocean Coal Company,
- F3/5.
- Ffeil
- 1928-1929.
General correspondence, 1928-29, relating to the United National Collieries and the Ocean Coal Company.
United National Collieries Ltd
United National Collieries and the Ocean Coal Company,
General correspondence, 1928-29, relating to the United National Collieries and the Ocean Coal Company.
United National Collieries Ltd