# Czesław Grzelak

> Polish historian

**Wikidata**: [Q48848633](https://www.wikidata.org/wiki/Q48848633)  
**Source**: https://4ort.xyz/entity/czes-aw-grzelak


## References

1. Czech National Authority Database
2. National Library of Israel Names and Subjects Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File
5. Polish Science
6. VIAF ID
7. NUKAT