# John Ditch
**Wikidata**: [Q55620671](https://www.wikidata.org/wiki/Q55620671)  
**Source**: https://4ort.xyz/entity/john-ditch-q55620671


## References

1. Czech National Authority Database
2. [Source](http://www.persee.fr/authority/254823)
3. CONOR.SI
4. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
5. NUKAT
6. Virtual International Authority File
7. National Library of Israel Names and Subjects Authority File