Supervision :
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
New York,
1950.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/2260F023-6956-4B31-B6B2-90F71A8D21CE |
| Published: | 1950. |
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