# Stanisław Kętrzyński

> Polish historian (1876–1950)

**Wikidata**: [Q5907163](https://www.wikidata.org/wiki/Q5907163)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Stanisław_Kętrzyński)  
**Source**: https://4ort.xyz/entity/stanis-aw-k-trzy-ski


## References

1. Catalog of the German National Library
2. Sejm-Wielki.pl
3. Virtual International Authority File
4. BnF authorities
5. Czech National Authority Database
6. International Standard Name Identifier
7. CiNii Research
8. Bibliography of the History of the Czech Lands