Working- paper :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Mun. off. of. soc. affairs,
[1964]
Amsterdam : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/BB2B18D3-3739-4F34-BEAB-A9F2BD199B89 |
