The West Yorkshire Miners' Association (WYMA) was an early British trade union representing coal miners in the central part of the West Riding of Yorkshire.
The West Yorkshire Miners' Association (WYMA) was an early British trade union representing coal miners in the central part of the West Riding of Yorkshire. (en)
The West Yorkshire Miners' Association (WYMA) was an early British trade union representing coal miners in the central part of the West Riding of Yorkshire. (en)