# Carl-Johan Vallgren

> Swedish writer and musician

**Wikidata**: [Q931637](https://www.wikidata.org/wiki/Q931637)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Carl-Johan_Vallgren)  
**Source**: https://4ort.xyz/entity/carl-johan-vallgren


## References

1. Sveriges befolkning 2000
2. BnF authorities
3. International Standard Name Identifier
4. Virtual International Authority File
5. MusicBrainz
6. Lingua Libre
7. Internet Speculative Fiction Database
8. Babelio
9. Integrated Authority File
10. CONOR.SI
11. LIBRIS. 2018