# Jan Kalff

> Dutch lawyer and redactor (1865–1944)

**Wikidata**: [Q137074003](https://www.wikidata.org/wiki/Q137074003)  
**Source**: https://4ort.xyz/entity/jan-kalff-q137074003


## References

1. [Source](https://www.openarchieven.nl/gld:27E88AA0-6B1E-482E-A7DA-890B00769579)
2. [Gelders Archief](https://www.openarchieven.nl/gld:27E88AA0-6B1E-482E-A7DA-890B00769579)