# Karl Liebl
**Wikidata**: [Q95339541](https://www.wikidata.org/wiki/Q95339541)  
**Source**: https://4ort.xyz/entity/karl-liebl-q95339541


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Czech National Authority Database
4. VIAF ID
5. BnF authorities
6. Virtual International Authority File