# Lech Ryszkowski
**Wikidata**: [Q73413574](https://www.wikidata.org/wiki/Q73413574)  
**Source**: https://4ort.xyz/entity/lech-ryszkowski


## References

1. Czech National Authority Database
2. Polish Science
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. [Source](http://www.polskaniezwykla.pl/web/place/31770,poznan-tablica-lecha-ryszkowskiego.html)
5. [Source](http://www.pan.poznan.pl/archiwum/2006.htm)