SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third)
SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third).
| Institution: | International Institute of Social History |
|---|---|
| Format: | IMAGE |
| Published: |
1957, January 1.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/C5923C6E-99BB-4331-A3B2-CF7F0F5CF7F6 |