# Józef Ignacy Boelcke
**Wikidata**: [Q72036688](https://www.wikidata.org/wiki/Q72036688)  
**Source**: https://4ort.xyz/entity/j-zef-ignacy-boelcke


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. CERL Thesaurus
4. MAK
5. Virtual International Authority File