# Bertold Hack
**Wikidata**: [Q55675636](https://www.wikidata.org/wiki/Q55675636)  
**Source**: https://4ort.xyz/entity/bertold-hack


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](https://kalliope-verbund.info/DE-611-BF-116903)
4. IdRef
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File