Amgueddfa Cymru:
N.U.M. South Wales Area
Amgueddfa Cymru:
N.U.M. Derbys
Amgueddfa Cymru:
N.U.M. Yorks Area
Amgueddfa Cymru:
N.U.M. Yorks Area
Amgueddfa Cymru:
N.U.M. Cumberland Miners' Union
Amgueddfa Cymru:
N.U.M. Northumberland Miners' Union
Amgueddfa Cymru:
N.U.M. Cumberland Miners' Union
Amgueddfa Cymru:
North Western Area N.U.M.
Amgueddfa Cymru:
National Union of Mineworkers Lancashire Area
Amgueddfa Cymru:
National Union of Mineworkers North Western Area
Amgueddfa Cymru:
N.U.M. S.C.E.B.T.A.
Amgueddfa Cymru:
The Scottish Area National Union of Mineworkers
Amgueddfa Cymru:
N.U.M. North Wales
Amgueddfa Cymru:
N.U.M. South Wales Area Hon. Member
Amgueddfa Cymru:
Durham Colliery Mechanics
Amgueddfa Cymru:
M.F.G.B. N.U.M.
Amgueddfa Cymru:
National Union of Mineworkers C.O.S.A.
Amgueddfa Cymru:
N.U.M. Cokemens Area
Amgueddfa Cymru:
Power Group N.U.M.
Amgueddfa Cymru:
National Union of Mineworkers
Amgueddfa Cymru:
National N.U.M.
Amgueddfa Cymru:
National N.U.M.
Amgueddfa Cymru:
N.U.M. Midland Area
Amgueddfa Cymru:
N.U.M. Durham Enginemen
Amgueddfa Cymru:
N.U.M. Northumberland Miners' Union