# Klaus Graf

> German historian and archivist

**Wikidata**: [Q1745142](https://www.wikidata.org/wiki/Q1745142)  
**Source**: https://4ort.xyz/entity/klaus-graf-q1745142


## References

1. Integrated Authority File
2. ORCID Registry
3. [Source](https://archivalia.hypotheses.org/221660)
4. International Standard Name Identifier
5. Virtual International Authority File
6. CiNii Research
7. [Source](http://archiv.twoday.net/stories/714914779/)
8. [Source](http://archiv.twoday.net/stories/1022514509/)
9. [Source](http://archiv.twoday.net/stories/498217758/)
10. [Source](http://archivalia.hypotheses.org/impressum)
11. [Source](https://archivalia.hypotheses.org/170019)
12. Bibliography of the History of the Czech Lands
13. YouTube API