# Jan Ostroróg

> author and writer (1565-1622)

**Wikidata**: [Q3956889](https://www.wikidata.org/wiki/Q3956889)  
**Source**: https://4ort.xyz/entity/jan-ostror-g-q3956889


## References

1. Czech National Authority Database
2. Genealogics
3. Kniaziowie litewsko-ruscy od końca czternastego wieku
4. Q123985090
5. Sejm-Wielki.pl
6. Faceted Application of Subject Terminology
7. VcBA (identifier)
8. NUKAT
9. MAK
10. Virtual International Authority File
11. CERL Thesaurus