# Pio Vittorio Ferrari
**Wikidata**: [Q99605200](https://www.wikidata.org/wiki/Q99605200)  
**Source**: https://4ort.xyz/entity/pio-vittorio-ferrari


## References

1. Catalogue of the Library of the Pontifical University of the Holy Cross
2. Integrated Authority File
3. Library of Congress Authorities
4. BnF authorities
5. Virtual International Authority File
6. Project Gutenberg
7. CONOR.SI