# Otto Bláha
**Wikidata**: [Q95469133](https://www.wikidata.org/wiki/Q95469133)  
**Source**: https://4ort.xyz/entity/otto-bl-ha


## References

1. Czech National Authority Database
2. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=6ffe9cfa09f5440ab20d8da8ac0c0094&scan=27#scan27)
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Bibliography of the History of the Czech Lands