# Johann Jacob Köthen
**Wikidata**: [Q55909172](https://www.wikidata.org/wiki/Q55909172)  
**Source**: https://4ort.xyz/entity/johann-jacob-k-then


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Catalog of the German National Library
4. NUKAT
5. BnF authorities
6. Virtual International Authority File
7. [Source](http://thesaurus.cerl.org/record/cnp00112222)