# Zdzisław Leder
**Wikidata**: [Q9389735](https://www.wikidata.org/wiki/Q9389735)  
**Source**: https://4ort.xyz/entity/zdzis-aw-leder


## References

1. general catalog of BnF
2. Virtual International Authority File
3. BnF authorities
4. [Source](https://www.marxists.org/glossary/people/comintern/index.htm#Feinstein-Wladyslaw)
5. NUKAT
6. MAK
7. Sejm-Wielki.pl