# Gustav Kopal
**Wikidata**: [Q23908512](https://www.wikidata.org/wiki/Q23908512)  
**Source**: https://4ort.xyz/entity/gustav-kopal


## References

1. Database of the Military Historical Archive
2. [Database of the Military Historical Archive](http://www.vuapraha.cz/soldier/20482788)
3. Database of members of the Czechoslovak Republic of military units abroad for the World War II
4. [Source](http://www.276.cz/?page_id=346)
5. [Source](https://www.svazky.cz/test/svazkyMT.php?jmeno=GUSTAV&prijm=KOPAL&dnar=18.04.1920&mnar=&archivsvazek=&hledej=Hledat)