# Cla Biert

> Swiss writer (1920-1981)

**Wikidata**: [Q3905154](https://www.wikidata.org/wiki/Q3905154)  
**Source**: https://4ort.xyz/entity/cla-biert


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Historical Dictionary of Switzerland
4. BnF authorities
5. Virtual International Authority File
6. HelveticArchives
7. Theaterlexikon der Schweiz
8. Brockhaus Enzyklopädie
9. Library of Congress Control Number
10. National Library of Israel Names and Subjects Authority File