# Theodor Zwölfer
**Wikidata**: [Q28709020](https://www.wikidata.org/wiki/Q28709020)  
**Source**: https://4ort.xyz/entity/theodor-zw-lfer


## References

1. IdRef
2. Virtual International Authority File
3. [Source](https://kalliope-verbund.info/DE-611-BF-103061)