# Otto Petr
**Wikidata**: [Q95450912](https://www.wikidata.org/wiki/Q95450912)  
**Source**: https://4ort.xyz/entity/otto-petr


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/56359)
3. [Database of the Military Historical Archive](http://www.vuapraha.cz/soldier/20199565)
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. [Database of the Military Historical Archive](https://www.vuapraha.cz/legionari/83467)
7. Legie 100
8. Artists of the World Online