# Constantin von Grewingk

> Baltic German mineralogist and university teacher (1819-1887)

**Wikidata**: [Q450550](https://www.wikidata.org/wiki/Q450550)  
**Source**: https://4ort.xyz/entity/constantin-von-grewingk


## References

1. Czech National Authority Database
2. BnF authorities
3. Virtual International Authority File
4. CERL Thesaurus
5. National Library of Israel Names and Subjects Authority File