# Jacek Gruszczyński

> Polish medieval archaeologist (1980-)

**Wikidata**: [Q76872057](https://www.wikidata.org/wiki/Q76872057)  
**Source**: https://4ort.xyz/entity/jacek-gruszczy-ski


## References

1. BnF authorities
2. Czech National Authority Database
3. Virtual International Authority File
4. Library of Congress Authorities