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Coal and Unionism. A history of the American Coal Miners Unions
- "Coal and unionism; a history of the American coal miners' unions"
- "Coal and Unionism. A history of the American Coal Miners Unions"@en
- "Coal and Unionism : a History of the American Coal Miner's Unions"
- "Coal and unionism : a history of the American coal miners' unions"@en
- "Coal and unionism a history of the American coal miners' unions"@en