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Ralph D. Gray · Study
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Ralph D. Gray
1 works
· latest 1997
cluster: provisional
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Common Labour: Workers and the Digging of North American Canals, 1780-1860.
1997 · 4 citations
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Common Labour: Workers and the Digging of North American Canals, 1780-1860.
The American Historical Review
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1997
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2 authors
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4
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