# Horst Siewert

> German author

**Wikidata**: [Q1629960](https://www.wikidata.org/wiki/Q1629960)  
**Source**: https://4ort.xyz/entity/horst-siewert-q1629960


## References

1. Integrated Authority File
2. BnF authorities
3. Czech National Authority Database
4. International Standard Name Identifier
5. Virtual International Authority File
6. NUKAT