# Karl Sieg

> German university teacher and non-fiction writer (1911-1998)

**Wikidata**: [Q18957739](https://www.wikidata.org/wiki/Q18957739)  
**Source**: https://4ort.xyz/entity/karl-sieg


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. WorldCat Entities
4. Library of Congress Control Number
5. FactGrid