# Peter de Klerk
**Wikidata**: [Q125808990](https://www.wikidata.org/wiki/Q125808990)  
**Source**: https://4ort.xyz/entity/peter-de-klerk-q125808990


## References

1. Integrated Authority File
2. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
3. Index Theologicus
4. Parsifal catalog