# Sven O. Hallman
**Wikidata**: [Q5785067](https://www.wikidata.org/wiki/Q5785067)  
**Source**: https://4ort.xyz/entity/sven-o-hallman


## References

1. LIBRIS. 2012
2. Virtual International Authority File
3. [Source](https://runeberg.org/vemarvem/norr68/0701.html)