# Krzysztof Ruchniewicz

> Polish historian

**Wikidata**: [Q1790457](https://www.wikidata.org/wiki/Q1790457)  
**Source**: https://4ort.xyz/entity/krzysztof-ruchniewicz


## References

1. BnF authorities
2. Integrated Authority File
3. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-6288-2139/employment/6592320)
4. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-6288-2139/employment/6592475)
5. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-6288-2139/employment/6623134)
6. International Standard Name Identifier
7. Virtual International Authority File
8. CiNii Research
9. Polish Science