# Carl Hauptmann

> German writer (1858–1921)

**Wikidata**: [Q77485](https://www.wikidata.org/wiki/Q77485)  
**Source**: https://4ort.xyz/entity/carl-hauptmann


## References

1. Integrated Authority File
2. BnF authorities
3. International Standard Name Identifier
4. CiNii Research
5. MusicBrainz
6. International Music Score Library Project
7. Brockhaus Enzyklopädie
8. Proleksis Encyclopedia
9. filmportal.de
10. Virtual International Authority File
11. Czech National Authority Database
12. CONOR.SI
13. Treccani's Enciclopedia on line
14. Enciclopedia Treccani
15. Provenio