# Baltazar Mathias Keilhau

> Norwegian geologist and professor (1797-1858)

**Wikidata**: [Q893022](https://www.wikidata.org/wiki/Q893022)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Baltazar_Mathias_Keilhau)  
**Source**: https://4ort.xyz/entity/baltazar-mathias-keilhau


## References

1. Integrated Authority File
2. [Folketelling 1801 for 0525P Biri prestegjeld. Digital Archives](https://www.digitalarkivet.no/census/person/pf01058258000005)
3. KulturNav
4. Freebase Data Dumps. 2013
5. Virtual International Authority File
6. CERL Thesaurus