# Gustav Kopal
**Wikidata**: [Q19209645](https://www.wikidata.org/wiki/Q19209645)  
**Source**: https://4ort.xyz/entity/gustav-kopal-q19209645


## References

1. Integrated Authority File
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Virtual International Authority File