# Berta Önnerberg

> Swedish composer

**Wikidata**: [Q4991136](https://www.wikidata.org/wiki/Q4991136)  
**Source**: https://4ort.xyz/entity/berta-nnerberg


## References

1. Sveriges dödbok 1830–2020
2. Virtual International Authority File
3. Q110952198
4. [LIBRIS. 2009](https://libris.kb.se/katalogisering/53hlqhqp5vktspr)