# Jean Errard

> French mathematician (1554–1610)

**Wikidata**: [Q1387082](https://www.wikidata.org/wiki/Q1387082)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jean_Errard)  
**Source**: https://4ort.xyz/entity/jean-errard


## References

1. Virtual International Authority File
2. BnF authorities
3. International Standard Name Identifier
4. Integrated Authority File
5. Open Library
6. Encyclopædia Universalis
7. Faceted Application of Subject Terminology
8. Structurae
9. VcBA (identifier)
10. NUKAT
11. National Library of Portugal
12. MAK
13. Treccani's Enciclopedia on line
14. FactGrid
15. Provenio