Declarations on principles :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Sijthoff,
1977.
Leiden : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/9BC00914-7342-4BEC-9784-23DC79C0854A |
| Published: | 1977. |
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