# Ferdinand Petr
**Wikidata**: [Q2933642](https://www.wikidata.org/wiki/Q2933642)  
**Source**: https://4ort.xyz/entity/ferdinand-petr


## References

1. Czech National Authority Database
2. Regional Database of the Central Bohemian Research Library in Kladno
3. BillionGraves
4. Virtual International Authority File
5. Český hudební slovník osob a institucí