# Bernard of Verdun

> 13th-century author of Treatise on the Whole of Astronomy

**Wikidata**: [Q4893803](https://www.wikidata.org/wiki/Q4893803)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bernard_of_Verdun)  
**Source**: https://4ort.xyz/entity/bernard-of-verdun