# Johann Hellwig
**Wikidata**: [Q94940031](https://www.wikidata.org/wiki/Q94940031)  
**Source**: https://4ort.xyz/entity/johann-hellwig-q94940031


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. CERL Thesaurus
4. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810560267505606)
5. NUKAT
6. MAK
7. Virtual International Authority File