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