# Klaas Frederik Costerus Hopster

> Royal Dutch East Indies Army personnel (1903–1944)

**Wikidata**: [Q130462517](https://www.wikidata.org/wiki/Q130462517)  
**Source**: https://4ort.xyz/entity/klaas-frederik-costerus-hopster


## References

1. [Source](https://collectie.verzetsmuseum.org/ais6/Details/collect/5747)
2. Source
3. [Source](http://proxy.handle.net/10648/7b9b9892-2455-444b-97bd-29af4c880718)
4. [Source](http://purl.org/dc/elements/1.1/source)