# Jacek Janiszewski

> Polish opera singer

**Wikidata**: [Q11715330](https://www.wikidata.org/wiki/Q11715330)  
**Source**: https://4ort.xyz/entity/jacek-janiszewski-q11715330


## References

1. Integrated Authority File
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)