Troelstra, Pieter Jelles. . Troelstra-Oosterbaan, Sjoukje. . Wiardi Beckman, Herman Bernard
| Institution: | International Institute of Social History |
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| Format: | IMAGE |
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(Ca. 1929)
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/9B1D8733-3A81-4863-BB2C-0A0B5B88D75D |
| Published: | (Ca. 1929) |
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