# Theo K. Heckel
**Wikidata**: [Q112375474](https://www.wikidata.org/wiki/Q112375474)  
**Source**: https://4ort.xyz/entity/theo-k-heckel


## References

1. IdRef
2. Czech National Authority Database
3. Integrated Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. National Library of Israel Names and Subjects Authority File