# Paul Helwig
**Wikidata**: [Q64994072](https://www.wikidata.org/wiki/Q64994072)  
**Source**: https://4ort.xyz/entity/paul-helwig-q64994072


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. CERL Thesaurus
4. Virtual International Authority File
5. Czech National Authority Database
6. BnF authorities
7. NUKAT
8. MAK
9. [Source](http://thesaurus.cerl.org/record/cnp01876205)
10. [Source](http://thesaurus.cerl.org/record/cni00073031)
11. Provenio