# Wolfgang Spieker
**Wikidata**: [Q94840253](https://www.wikidata.org/wiki/Q94840253)  
**Source**: https://4ort.xyz/entity/wolfgang-spieker


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. [Source](https://kalliope-verbund.info/DE-611-BF-112177)