# Karl Joseph Zacharias Bertoldi
**Wikidata**: [Q109857401](https://www.wikidata.org/wiki/Q109857401)  
**Source**: https://4ort.xyz/entity/karl-joseph-zacharias-bertoldi


## References

1. Virtual International Authority File
2. Open Library
3. CERL Thesaurus
4. BnF authorities
5. [Source](http://thesaurus.cerl.org/record/cnp01927280)