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  1. 1

    The world coal-mining industry.

    Опубликовано 1975
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    The world coal-mining industry.
  2. 2

    The practice of industrial medicine по Lloyd Davies, Trevor Arthur

    Опубликовано 1957
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    The practice of industrial medicine
  3. 3

    Beyond nationalization the labor problems of British coal. по Baldwin, George Benedict

    Опубликовано 1955
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    Beyond nationalization the labor problems of British coal.
  4. 4

    The miner's case and the public interest a documented chronology по Wieck, Edward A.

    Опубликовано 1947
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    The miner's case and the public interest a documented chronology
  5. 5

    The four hour day in coal a study of the relation between the engineering of the organization of work and the discontent among the workers in the coal mines по Archbald, Hugh

    Опубликовано 1922
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    The four hour day in coal a study of the relation between the engineering of the organization of work and the discontent among the workers in the coal mines

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