# Helmut Jäger

> German professor

**Wikidata**: [Q1603725](https://www.wikidata.org/wiki/Q1603725)  
**Source**: https://4ort.xyz/entity/helmut-j-ger


## References

1. Nazi Party Membership Database Lookup
2. Czech National Authority Database
3. Integrated Authority File
4. BnF authorities
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File
7. Bibliography of the History of the Czech Lands