# Jan Ryszard Sielezin

> Polish historian

**Wikidata**: [Q134296851](https://www.wikidata.org/wiki/Q134296851)  
**Source**: https://4ort.xyz/entity/jan-ryszard-sielezin


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Catalog of the German National Library
4. NUKAT
5. CiNii Research
6. CONOR.BG
7. MAK
8. [Source](https://polska-ihpan.edu.pl/images/Polska08-2008/WA303_79073_B155-Polska-T-8-2008_Sielezin.pdf)