# John S. Zybura
**Wikidata**: [Q97066097](https://www.wikidata.org/wiki/Q97066097)  
**Source**: https://4ort.xyz/entity/john-s-zybura


## References

1. Catalog of the German National Library
2. [Source](https://pust.urbe.it/cgi-bin/koha/opac-authoritiesdetail.pl?marc=1&authid=65445)
3. NUKAT