# Michał Boniecki-Fredro
**Wikidata**: [Q61696154](https://www.wikidata.org/wiki/Q61696154)  
**Source**: https://4ort.xyz/entity/micha-boniecki-fredro


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. Virtual International Authority File
4. Sejm-Wielki.pl
5. NUKAT
6. MAK