# Zanstra, Giesen and Sijmons

> Dutch architectural firm

**Wikidata**: [Q122899762](https://www.wikidata.org/wiki/Q122899762)  
**Source**: https://4ort.xyz/entity/zanstra-giesen-and-sijmons


## References

1. [Nieuwe Instituut Data Platform](https://collectiedata.hetnieuweinstituut.nl/id/archives/110000375)
2. [Source](https://www.zzdp.nl/bureau/geschiedenis)