# Claudio Knöpfli
**Wikidata**: [Q85099018](https://www.wikidata.org/wiki/Q85099018)  
**Source**: https://4ort.xyz/entity/claudio-kn-pfli


## References

1. Integrated Authority File
2. SIKART
3. Catalog of the German National Library
4. Library of Congress Control Number
5. Virtual International Authority File
6. [Source](https://library.nga.gov/permalink/01NGA_INST/1cl1g8d/alma993874743504896)