# Petrus Alphonsi

> Spanish writer, astronomer

**Wikidata**: [Q2080920](https://www.wikidata.org/wiki/Q2080920)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Petrus_Alphonsi)  
**Source**: https://4ort.xyz/entity/petrus-alphonsi


## References

1. Mirabile: Digital Archives for Medieval Culture
2. [Source](https://books.google.fr/books/about/D_orient_en_occident.html?id=5-cImwEACAAJ&redir_esc=y)
3. BnF authorities
4. CiNii Research
5. Autoritats UB
6. AlKindi
7. CONOR.BG
8. Korean Authority File
9. National Library of Portugal
10. datos.bne.es
11. Freebase Data Dumps. 2013
12. Integrated Authority File
13. Virtual International Authority File
14. CERL Thesaurus
15. Enciclopedia Treccani
16. [LIBRIS. 2002](https://libris.kb.se/katalogisering/gdsvvhk04mrh4j5)
17. Treccani Philosophy
18. National Library of Israel Names and Subjects Authority File
19. HMML Authority File
20. Digital Scriptorium Catalog
21. Catalogo of the National Library of India