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The coal resources of the world ; Vol. 1
McInnes, William (contributor); Dowling, D. B. (contributor) - 1913
Persistent link: https://www.econbiz.de/10000378030
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Coal Fields of Manitoba, Saskatchewan, Alberta
Dowling, D. B. - 1914 - Rev. ed.
Persistent link: https://www.econbiz.de/10000379873
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The coal resources of the world ; Vol. 2
McInnes, William (contributor); Dowling, D. B. (contributor) - 1913
Persistent link: https://www.econbiz.de/10000663186
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The coal resources of the world ; Vol. 3
McInnes, William (contributor); Dowling, D. B. (contributor) - 1913
Persistent link: https://www.econbiz.de/10000663188
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Work intensity and worker safety in early twentieth-century coal mining
Boal, William M. - In: Explorations in economic history : EEH 70 (2018), pp. 132-149
Persistent link: https://www.econbiz.de/10012063792
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The effect of unionization on productivity : evidence from a long panel of coal mines
Boal, William M. - In: ILR review : the journal of work and policy 70 (2017) 5, pp. 1254-1282
Persistent link: https://www.econbiz.de/10011759651
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What did unions do? : the case of Illinois coal mining in the 1880s
Boal, William M. - In: Journal of labor research 38 (2017) 4, pp. 439-474
Persistent link: https://www.econbiz.de/10011782868