# Birkenstein
**Wikidata**: [Q99088921](https://www.wikidata.org/wiki/Q99088921)  
**Source**: https://4ort.xyz/entity/birkenstein-q99088921


## References

1. archINFORM
2. [archINFORM](https://www.archinform.net/service/wd_aiort.php)