# Piotr Sawicki
**Wikidata**: [Q11818033](https://www.wikidata.org/wiki/Q11818033)  
**Source**: https://4ort.xyz/entity/piotr-sawicki-q11818033


## References

1. BnF authorities
2. Polish Science
3. [BNE authority file](http://datos.bne.es/resource/XX1113976)
4. Virtual International Authority File