Hours of work in coal-mines. [...]. Report III. International labour conference. Fourteenth session, Geneva, 1930
Institution: | International Institute of Social History |
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Format: | TEXT |
Published: |
International Labour Office,
1930.
Geneva : |
Subjects: | |
Online Access: | http://hdl.handle.net/10622/CFBE690C-69A8-426A-B2FC-14AFD3B09E5E |
Published: | 1930. |
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