# Song Zhengyu

> Qing dynasty person CBDB = 79924

**Wikidata**: [Q10947528](https://www.wikidata.org/wiki/Q10947528)  
**Source**: https://4ort.xyz/entity/song-zhengyu


## References

1. China Biographical Database
2. Library of Congress Authorities
3. IdRef
4. Academia Sinica Name Authority Database
5. Hong Kong Chinese Authority Name