# Josef Kopallik
**Wikidata**: [Q12026248](https://www.wikidata.org/wiki/Q12026248)  
**Source**: https://4ort.xyz/entity/josef-kopallik


## References

1. Virtual International Authority File
2. [Source](https://www.biographien.ac.at/oebl/oebl_K/Kopallik_Joseph_1849_1897.xml)
3. CiNii Research
4. CERL Thesaurus