# Donatus Ortigraphus

> anonymous grammarian in the Carolingian empire (fl. c. 815), author of an Ars grammatica

**Wikidata**: [Q84673997](https://www.wikidata.org/wiki/Q84673997)  
**Source**: https://4ort.xyz/entity/donatus-ortigraphus


## References

1. Integrated Authority File
2. Dictionary of Irish Biography
3. Virtual International Authority File
4. [Source](https://dib.cambridge.org/viewReadPage.do?articleId=a2683)