# Helmut Birkhan

> Austrian philologist

**Wikidata**: [Q1475232](https://www.wikidata.org/wiki/Q1475232)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Helmut_Birkhan)  
**Source**: https://4ort.xyz/entity/helmut-birkhan


## References

1. Integrated Authority File
2. BnF authorities
3. International Standard Name Identifier
4. Virtual International Authority File
5. CiNii Research
6. OPAC SBN
7. [Source](https://www.geschichtewiki.wien.gv.at/Helmut_Birkhan)
8. CONOR.SI
9. National Library of Israel Names and Subjects Authority File
10. Bibliography of the History of the Czech Lands