SWCC/MNA/NUM/L/48/56: Minutes of the Joint committee meetings of members employed at Lewis Merthyr Collieries

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SWCC/MNA/NUM/L/48/56 Lewis Merthyr Employees 5 May 1921
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SWCC/MNA/NUM/L/48/56: Minutes of the Joint committee meetings of members employed at Lewis Merthyr Collieries
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1921 lockout
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SWCC/MNA/NUM/L/48/56 Lewis Merthyr Employees 5 May 1921SWCC/MNA/NUM/L/48/56 Lewis Merthyr Employees 5 May 1921