# Pieter Gruter
**Wikidata**: [Q60838380](https://www.wikidata.org/wiki/Q60838380)  
**Source**: https://4ort.xyz/entity/pieter-gruter


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. MAK
4. [Source](http://thesaurus.cerl.org/record/cnp01091828)