# Ahmad ibn Zayn al-Din al-Ahsa'i

> Founder of Shaykhí school of Twelver Shiism (1753–1826)

**Wikidata**: [Q400887](https://www.wikidata.org/wiki/Q400887)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Shaykh_Ahmad)  
**Source**: https://4ort.xyz/entity/ahmad-ibn-zayn-al-din-al-ahsa-i


## References

1. BnF authorities
2. Virtual International Authority File
3. Faceted Application of Subject Terminology
4. CiNii Research
5. Encyclopædia Britannica Online
6. Freebase Data Dumps. 2013
7. Digital Scriptorium Catalog