# R. P. Fagel
**Wikidata**: [Q55950107](https://www.wikidata.org/wiki/Q55950107)  
**Source**: https://4ort.xyz/entity/r-p-fagel


## References

1. Czech National Authority Database
2. datos.bne.es
3. Catalog of the German National Library
4. CiNii Research
5. [Source](http://www.persee.fr/authority/287280)
6. NUKAT
7. [Source](http://datos.bne.es/persona/XX1512009.html)
8. National Library of Israel Names and Subjects Authority File