Oakeley Slate Quarries Company, Limited, Blaenau Ffestiniog,
- BD3/3.
- Sub-series
- 1933-1957.
Reports of the Oakeley Quarries Company, 1933-1957.
Oakley Slate Quarries Company (Blaenau Ffestiniog, Wales)
Oakeley Slate Quarries Company, Limited, Blaenau Ffestiniog,
Reports of the Oakeley Quarries Company, 1933-1957.
Oakley Slate Quarries Company (Blaenau Ffestiniog, Wales)