# Ivan Otto Schwarz

> Czechoslovak bomber pilot

**Wikidata**: [Q47072948](https://www.wikidata.org/wiki/Q47072948)  
**Source**: https://4ort.xyz/entity/ivan-otto-schwarz


## References

1. Czech National Authority Database
2. Integrated Authority File
3. [Source](https://archiv.prezident.sk/gasparovic/index1349.html?rad-bieleho-dvojkriza-iii-trieda)
4. Database of members of the Czechoslovak Republic of military units abroad for the World War II
5. Virtual International Authority File
6. Bibliography of the History of the Czech Lands