# Helmut Hans Haschek
**Wikidata**: [Q55678742](https://www.wikidata.org/wiki/Q55678742)  
**Source**: https://4ort.xyz/entity/helmut-hans-haschek


## References

1. Integrated Authority File
2. [Source](https://www.geschichtewiki.wien.gv.at/Helmut_H._Haschek)
3. Virtual International Authority File
4. CiNii Research
5. CONOR.SI
6. [Source](http://www.musiklexikon.ac.at/ml/ml-beacon.txt)