1900 Labor: Social conditions: Working hours
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:e4db3c39-2310-4d35-b461-383c8d5e2966 |
| Description not available. |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:e4db3c39-2310-4d35-b461-383c8d5e2966 |
| Description not available. |