# Josef Gruden
**Wikidata**: [Q95468794](https://www.wikidata.org/wiki/Q95468794)  
**Source**: https://4ort.xyz/entity/josef-gruden


## References

1. Czech National Authority Database
2. Database of the Military Historical Archive
3. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Josef&prijm=Gruden&dnar=10.12.1914&hledej=Hledat)
4. Virtual International Authority File
5. [Database of the Military Historical Archive](http://www.vuapraha.cz/soldier/20467087)
6. Database of members of the Czechoslovak Republic of military units abroad for the World War II
7. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Josef&prijm=Gruden&dnar=10.12.1914&hledej=Hledat)
8. Bibliography of the History of the Czech Lands