# Sayf ibn Umar

> 8th century Islamic historian

**Wikidata**: [Q6122255](https://www.wikidata.org/wiki/Q6122255)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sayf_ibn_Umar)  
**Source**: https://4ort.xyz/entity/sayf-ibn-umar


## References

1. BnF authorities
2. encyclopedia
3. Virtual International Authority File
4. CiNii Research
5. OpenITI corpus
6. Freebase Data Dumps. 2013