# Ignaz Blumenfeld
**Wikidata**: [Q109856556](https://www.wikidata.org/wiki/Q109856556)  
**Source**: https://4ort.xyz/entity/ignaz-blumenfeld


## References

1. CERL Thesaurus
2. Integrated Authority File
3. Open Library
4. LIBRIS
5. [Source](http://thesaurus.cerl.org/record/cnp02048915)