Standard of living. . Working conditions. . Working hours
| Institution: | International Institute of Social History |
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| Format: | IMAGE |
| Published: |
(Ca.1975)
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/DB1ACDC2-E6B0-4CA9-A1BA-2C8A4DCF2766 |
| Published: | (Ca.1975) |
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