Zeppelins boven Nederlandsch grondgebied
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| Institution: | International Institute of Social History |
| Format: | IMAGE |
| Published: |
1915, 19 september
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/4CBF41EC-BCCB-4D5C-8C73-3A67FB756241 |