Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Ertl, Tell 1914-', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Labor standards and metal mining; a study of the effects of the Fair labor standards act of 1938 on the non-ferrous metal mining industry gan Ertl, Tell 1914-

    Cyhoeddwyd 1947
    Llyfr

    Labor standards and metal mining; a study of the effects of the Fair labor standards act of 1938 on the non-ferrous metal mining industry

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