# Ulderick Douwes Balck
**Wikidata**: [Q101242953](https://www.wikidata.org/wiki/Q101242953)  
**Source**: https://4ort.xyz/entity/ulderick-douwes-balck


## References

1. IdRef
2. [Source](https://www.archieven.nl/nl/zoeken?mivast=0&mizig=210&miadt=36&miaet=1&micode=181&minr=996020&miview=inv2)