# Ptolemais of Cyrene

> third-century BC mathematician and musical theorist, author of Pythagorean Principles of Music

**Wikidata**: [Q525814](https://www.wikidata.org/wiki/Q525814)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ptolemais_of_Cyrene)  
**Source**: https://4ort.xyz/entity/ptolemais-of-cyrene


## References

1. Freebase Data Dumps. 2013
2. [Source](https://www.vjf.cnrs.fr/clt/ciris/noticeauteur.php?id=1842)
3. Virtual International Authority File