# Karl Halaski
**Wikidata**: [Q28845788](https://www.wikidata.org/wiki/Q28845788)  
**Source**: https://4ort.xyz/entity/karl-halaski


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb129003104)
2. Catalog of the German National Library
3. BnF authorities
4. Virtual International Authority File