# Klaas Sierksma

> 1918-2007 Dutch heraldist and vexillologist (1918–2007)

**Wikidata**: [Q18402858](https://www.wikidata.org/wiki/Q18402858)  
**Source**: https://4ort.xyz/entity/klaas-sierksma


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb146254087)
2. Virtual International Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. CollectieGelderland