# Helen Siu
**Wikidata**: [Q28417419](https://www.wikidata.org/wiki/Q28417419)  
**Source**: https://4ort.xyz/entity/helen-siu


## References

1. [Source](https://www.history.cuhk.edu.hk/internal/events/2008_CIC/Info/ShortBio/ShortBio_Helen%20Siu_ENG.pdf)
2. IdRef
3. Czech National Authority Database
4. Catalog of the German National Library
5. [Source](https://search.library.yale.edu/catalog/99121854403408651)
6. Index Theologicus
7. Integrated Authority File
8. Hong Kong Chinese Authority Name