# Roland Halfen
**Wikidata**: [Q113762492](https://www.wikidata.org/wiki/Q113762492)  
**Source**: https://4ort.xyz/entity/roland-halfen


## References

1. Catalog of the German National Library
2. IdRef
3. Index Theologicus
4. Integrated Authority File
5. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)