# Abraham bar Hiyya

> mathematician and astronomer

**Wikidata**: [Q31439](https://www.wikidata.org/wiki/Q31439)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Abraham_bar_Hiyya)  
**Source**: https://4ort.xyz/entity/abraham-bar-hiyya


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. LIBRIS. 2012
4. Integrated Authority File
5. International Standard Name Identifier
6. CiNii Research
7. Literatura en hebreu dels jueus catalans
8. MacTutor History of Mathematics archive
9. Internet Philosophy Ontology project
10. Encyclopædia Britannica
11. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
12. Gran Enciclopèdia Catalana
13. AlKindi
14. Great Aragonese Encyclopedia
15. Freebase Data Dumps. 2013
16. Treccani's Enciclopedia on line
17. HMML Authority File
18. Digital Scriptorium Catalog