Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Minera Silica Quarries Ltd -- Records and correspondence, 2 canlyniadau
- United Westminster and Wrexham Collieries -- Records and correspondence, 1 canlyniadau
- Gresford Colliery Ltd -- Records and correspondence, 1 canlyniadau
- William Thomas & Sons -- Records and correspondence, 1 canlyniadau
- Wrexham Tenants Society -- Records and correspondence, 1 canlyniadau
- Charles R. Eames Ltd. -- Records and correspondence, 1 canlyniadau
- Dennis Ruabon Tiles Limited., 1 canlyniadau
- Gresford Colliery Ltd., 1 canlyniadau
- Minera Silica Quarries Ltd., 1 canlyniadau
- North Wales Employers' Mutual Indemnity Company., 1 canlyniadau
- Pob un
- Wrexham (Wales), 1 canlyniadau
- Insurance -- Wales, North., 1 canlyniadau
- Coal mines and mining -- Wales -- Wrexham., 1 canlyniadau
- Coal mines and mining -- Wales -- Ruabon., 1 canlyniadau
- Mine accidents -- Wales -- Gresford., 1 canlyniadau
- Silica -- Wales -- Minera., 1 canlyniadau
- Quarries and quarrying -- Wales -- Minera., 1 canlyniadau
- Lumber trade -- Wales, North., 1 canlyniadau
- Accountants -- Wales -- Wrexham., 1 canlyniadau
- Gresford (Wales), 1 canlyniadau
