Tesi congressuali :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Unione Italiana del Lavoro,
1973.
Rimini : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/E8EB43D1-2BE6-4978-BB12-E28D952422D4 |
| Published: | 1973. |
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