# Wilhelm Seyfried
**Wikidata**: [Q111655183](https://www.wikidata.org/wiki/Q111655183)  
**Source**: https://4ort.xyz/entity/wilhelm-seyfried


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. Integrated Authority File
4. CERL Thesaurus
5. MAK
6. Index Theologicus