# Constantin Heller

> German school teacher, carpenter, zoological collector and missionary (1846-1917)

**Wikidata**: [Q133869027](https://www.wikidata.org/wiki/Q133869027)  
**Source**: https://4ort.xyz/entity/constantin-heller


## References

1. [Source](https://repository.naturalis.nl/pub/317869/ZV1962058001.pdf)
2. [Source](https://collections.mun.ca/digital/collection/cns_permorv/id/6131/)
3. [Source](https://bionomia.net/Q133869027)
4. [Source](https://www.openarchieven.nl/nas:4eed9427-c38b-0526-8231-3bc0781f1388)