# Helmuth K. G. Rönnefarth
**Wikidata**: [Q112462475](https://www.wikidata.org/wiki/Q112462475)  
**Source**: https://4ort.xyz/entity/helmuth-k-g-r-nnefarth


## References

1. Czech National Authority Database
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)