# Ulrich Johanssen
**Wikidata**: [Q95302376](https://www.wikidata.org/wiki/Q95302376)  
**Source**: https://4ort.xyz/entity/ulrich-johanssen


## References

1. BnF authorities
2. Catalog of the German National Library
3. Personal Authority Wikibase of the Czech Republic
4. Virtual International Authority File