# Emil Zittel
**Wikidata**: [Q67704435](https://www.wikidata.org/wiki/Q67704435)  
**Source**: https://4ort.xyz/entity/emil-zittel


## References

1. Integrated Authority File
2. Source
3. Library of the World's Best Literature
4. Catalog of the German National Library
5. Virtual International Authority File
6. [Source](https://www.bartleby.com/library/bios/index17.html)