Troelstra, Pieter Jelles. . Troelstra-Oosterbaan, Sjoukje
| Institution: | International Institute of Social History |
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| Format: | IMAGE |
| Published: |
1928.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/4DC24FFC-CED0-4E9A-8C47-32005FB8E959 |
| Published: | 1928. |
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