# Bernhard Heller
**Wikidata**: [Q28778385](https://www.wikidata.org/wiki/Q28778385)  
**Source**: https://4ort.xyz/entity/bernhard-heller


## References

1. Union List of Israel
2. Czech National Authority Database
3. BnF authorities
4. Virtual International Authority File
5. CiNii Research
6. [Source](https://www.jstor.org/stable/23358545?seq=1)
7. Autoritats UB