# Karl Heiland
**Wikidata**: [Q94878077](https://www.wikidata.org/wiki/Q94878077)  
**Source**: https://4ort.xyz/entity/karl-heiland


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. [Source](https://kalliope-verbund.info/DE-611-BF-9691)