# Karl Helm

> German medievalist (1871–1960)

**Wikidata**: [Q1731579](https://www.wikidata.org/wiki/Q1731579)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Karl_Helm)  
**Source**: https://4ort.xyz/entity/karl-helm


## References

1. Integrated Authority File
2. BnF authorities
3. Czech National Authority Database
4. Virtual International Authority File
5. CiNii Research
6. [Source](https://kalliope-verbund.info/DE-611-BF-6445)
7. Bibliography of the History of the Czech Lands