# Marek Kalbus

> German opera singer

**Wikidata**: [Q75997](https://www.wikidata.org/wiki/Q75997)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Marek_Kalbus)  
**Source**: https://4ort.xyz/entity/marek-kalbus


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. Freebase Data Dumps. 2013