# Nils Bertil Karlsson

> Swedish athletics competitor

**Wikidata**: [Q5901903](https://www.wikidata.org/wiki/Q5901903)  
**Source**: https://4ort.xyz/entity/nils-bertil-karlsson


## References

1. Virtual International Authority File
2. World Athletics database
3. [LIBRIS. 2002](https://libris.kb.se/katalogisering/31fhjrwm5c6z5r5)