# Pieter L. Schoonheim
**Wikidata**: [Q97065221](https://www.wikidata.org/wiki/Q97065221)  
**Source**: https://4ort.xyz/entity/pieter-l-schoonheim


## References

1. IdRef
2. [Source](https://pust.urbe.it/cgi-bin/koha/opac-authoritiesdetail.pl?marc=1&authid=35082)
3. VcBA (identifier)
4. Catalogue of the Unione Romana Biblioteche Scientifiche
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File