# Heinrich Ulmann

> German historian (1841–1931)

**Wikidata**: [Q98845](https://www.wikidata.org/wiki/Q98845)  
**Source**: https://4ort.xyz/entity/heinrich-ulmann


## References

1. Czech National Authority Database
2. International Standard Name Identifier
3. Virtual International Authority File
4. CiNii Research
5. Integrated Authority File
6. Open Library
7. Faceted Application of Subject Terminology
8. BnF authorities
9. NUKAT
10. MAK
11. Trove