# Karl Johnsson
**Wikidata**: [Q30106618](https://www.wikidata.org/wiki/Q30106618)  
**Source**: https://4ort.xyz/entity/karl-johnsson


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [LIBRIS](http://libris.kb.se/vs69hqbd0m52zlb)
4. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0388340-Johnsson-Karl-1980)