# Karel Haak

> Czech music educator, composer and choirmaster (1853–1937)

**Wikidata**: [Q12028219](https://www.wikidata.org/wiki/Q12028219)  
**Source**: https://4ort.xyz/entity/karel-haak


## References

1. Czech National Authority Database
2. Regional Database of the Central Bohemian Research Library in Kladno
3. Virtual International Authority File