# Leszek II the Black

> High Duke of Poland

**Wikidata**: [Q53994](https://www.wikidata.org/wiki/Q53994)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Leszek_II_the_Black)  
**Source**: https://4ort.xyz/entity/leszek-ii-the-black


## References

1. The Peerage
2. Source
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. IdRef
6. [Source](https://encyklopedia.pwn.pl/haslo/Leszek-Czarny;3931878.html)
7. Sejm-Wielki.pl
8. Bibliography of the History of the Czech Lands