# Claus-Ulrich Bielefeld
**Wikidata**: [Q95230018](https://www.wikidata.org/wiki/Q95230018)  
**Source**: https://4ort.xyz/entity/claus-ulrich-bielefeld


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. Deutsche Biographie
4. Virtual International Authority File