# Johannes Steffani
**Wikidata**: [Q94822315](https://www.wikidata.org/wiki/Q94822315)  
**Source**: https://4ort.xyz/entity/johannes-steffani


## References

1. Sejm-Wielki.pl
2. Integrated Authority File
3. Catalog of the German National Library
4. [Source](https://kalliope-verbund.info/DE-611-BF-102932)
5. Virtual International Authority File