# Karel Ondracek
**Wikidata**: [Q76389949](https://www.wikidata.org/wiki/Q76389949)  
**Source**: https://4ort.xyz/entity/karel-ondracek


## References

1. Database of the Military Historical Archive
2. [Database of the Military Historical Archive](http://www.vuapraha.cz/soldier/20502646)
3. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Karel&prijm=Ondracek&dnar=13.10.1894&hledej=Hledat)
4. Database of members of the Czechoslovak Republic of military units abroad for the World War II
5. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Karel&prijm=Ondracek&dnar=13.10.1894&hledej=Hledat)