# Karel Frederik Hendrik van Langen

> Civil servant of the Netherlands Indies

**Wikidata**: [Q106744135](https://www.wikidata.org/wiki/Q106744135)  
**Source**: https://4ort.xyz/entity/karel-frederik-hendrik-van-langen


## References

1. [Source](https://resolver.kb.nl/resolve?urn=MMCMC01:000002801:pdf)
2. [Source](https://resolver.kb.nl/resolve?urn=MMKB15:000719049:mpeg21:a00023)
3. [Source](https://resolver.kb.nl/resolve?urn=ddd:011037182:mpeg21:a0134)
4. CiNii Research