# Johann Ernst
**Wikidata**: [Q104631428](https://www.wikidata.org/wiki/Q104631428)  
**Source**: https://4ort.xyz/entity/johann-ernst-q104631428


## References

1. IdRef
2. Catalog of the German National Library
3. Virtual International Authority File
4. MAK
5. CERL Thesaurus
6. NUKAT
7. [Source](http://thesaurus.cerl.org/record/cnp01947207)
8. [Source](http://thesaurus.cerl.org/record/cni00076088)
9. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810631665005606)
10. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810551696105606)