![](/assets/dummies/person-329c2b465107ab480d0c14bc936351b9954a74319398c0614a11a7f40413be66.jpg)
Johann Wilhelm Helfer
* 5.2.1810 Prag
† 30.1.1840 Andamanen
Johann Wilhelm Helfer
Die Zoologie in Böhmen (aus Lotos 67/68)
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