# Johannes Boldt
**Wikidata**: [Q94919596](https://www.wikidata.org/wiki/Q94919596)  
**Source**: https://4ort.xyz/entity/johannes-boldt


## References

1. Catalog of the German National Library
2. [Source](https://kalliope-verbund.info/DE-611-BF-89007)
3. Virtual International Authority File