# Sonia Halliday
**Wikidata**: [Q113791756](https://www.wikidata.org/wiki/Q113791756)  
**Source**: https://4ort.xyz/entity/sonia-halliday


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Index Theologicus
4. Virtual International Authority File
5. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)