# Henryk Sawczyński
**Wikidata**: [Q60821064](https://www.wikidata.org/wiki/Q60821064)  
**Source**: https://4ort.xyz/entity/henryk-sawczy-ski


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. Internetowy Polski Słownik Biograficzny
5. [Source](https://www.biographien.ac.at/oebl/oebl_S/Sawczynski_Henryk_1861_1923.xml)
6. VcBA (identifier)
7. NUKAT
8. Bibliography of the History of the Czech Lands
9. MAK
10. Virtual International Authority File
11. [Source](https://www.ipsb.nina.gov.pl/a/biografia/jan-henryk-sawczynski)