40 uren week :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Landelijke Federatie van Bouwvakarbeiders in Nederland,
[1937]
Amsterdam : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/9FEC2048-F677-49C4-B1A9-BF3E7407C3FE |
| Published: | [1937] |
|---|