| Ref No | SWCC/MNA/I/41 |
| Title | Ystradgynlais Miners' Welfare Association |
| Description | Minute books 1920-1954; financial records 1924-1950; Secretary's correspondence and papers 1925-1953. |
| Date | 1920-1954 |
| Subject | Coal miners--Wales, South; |
| Person_Code | ANW/CORP/4908 |
| Place_Code | ANW/PLACE/374 |
| Extent | 40 volumes and 5 envelopes |
| AccessConditions | Access unrestricted unless stated otherwise. |