# Theo Clasen
**Wikidata**: [Q95244590](https://www.wikidata.org/wiki/Q95244590)  
**Source**: https://4ort.xyz/entity/theo-clasen


## References

1. BnF authorities
2. Catalog of the German National Library
3. [Source](https://opac.rism.info/search?id=pe30114250)
4. Virtual International Authority File