Mining. . Employment conditions
| Institution: | International Institute of Social History |
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| Format: | IMAGE |
| Published: |
1963, March
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/20ED8873-42A7-4D5F-BA6E-69DC9DA4EB35 |
| Published: | 1963, March |
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