Jonge, K. de. . Vries, J.W. de. . Berg, V. van den
| Institution: | International Institute of Social History |
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| Format: | IMAGE |
| Published: |
1949.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/DFBC4AD6-AD61-4A02-981D-D28ABE98060A |
| Published: | 1949. |
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