# Frank Esser

> researcher

**Wikidata**: [Q77702530](https://www.wikidata.org/wiki/Q77702530)  
**Source**: https://4ort.xyz/entity/frank-esser-q77702530


## References

1. Czech National Authority Database
2. BnF authorities
3. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-1627-1521/employment/6809888)
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Catalogue of the Library of the Pontifical University of the Holy Cross
6. National Library of Israel Names and Subjects Authority File
7. [Czech National Authority Database](https://www.nkp.cz/o-knihovne/odborne-cinnosti/otevrena-data)