International. . Zürich (Switzerland)
| Institution: | International Institute of Social History |
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| Format: | AUDIO |
| Published: |
1967, October 10-13
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/3A2276EE-D002-4926-BBD1-7435A81515A2 |
| Published: | 1967, October 10-13 |
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