# Bohdan Halczak

> Polish historian

**Wikidata**: [Q20066419](https://www.wikidata.org/wiki/Q20066419)  
**Source**: https://4ort.xyz/entity/bohdan-halczak


## References

1. BnF authorities
2. Czech National Authority Database
3. general catalog of BnF
4. Virtual International Authority File
5. Library of Congress Authorities