# Helmuth Rolfes
**Wikidata**: [Q61787899](https://www.wikidata.org/wiki/Q61787899)  
**Source**: https://4ort.xyz/entity/helmuth-rolfes


## References

1. [Source](https://www.deutsche-digitale-bibliothek.de/person/gnd/107708604)
2. Virtual International Authority File
3. CiNii Research
4. NUKAT
5. MAK
6. Czech National Authority Database