# Guido of Pisa

> Italian geographer (12th century)

**Wikidata**: [Q3481742](https://www.wikidata.org/wiki/Q3481742)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Guido_of_Pisa)  
**Source**: https://4ort.xyz/entity/guido-of-pisa


## References

1. BnF authorities
2. Dizionario Biografico degli Italiani
3. Virtual International Authority File
4. Mirabile: Digital Archives for Medieval Culture
5. IdRef
6. HMML Authority File