# Empress Cao

> Chinese empress of Song dynasty (1016-1079); CBDB ID=4220

**Wikidata**: [Q704227](https://www.wikidata.org/wiki/Q704227)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Empress_Cao_(Song_dynasty))  
**Source**: https://4ort.xyz/entity/empress-cao


## References

1. China Biographical Database
2. [Source](https://mairi.me/-/1005093)
3. Freebase Data Dumps. 2013
4. [Source](https://digital.library.mcgill.ca/mingqing/search/details-poet.php?poetID=2537&showworks=1&showanth=1&showshihuaon=1&showpoems=&language=ch)