The United mine workers of America and the non-union coal fields
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| Institution: | CEDIAS-Musée social |
| Format: | TEXT |
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Columbia university (New York)
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| Online Access: | http://hdl.handle.net/11160/D5D7F92F-8995-4E89-B0BB-513DF984F44F |
| Published: | 1923 |
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