# Johann Crotus

> German writer

**Wikidata**: [Q72649](https://www.wikidata.org/wiki/Q72649)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Johann_Crotus)  
**Source**: https://4ort.xyz/entity/johann-crotus


## References

1. Integrated Authority File
2. Crotus Rubianus (ADB)
3. International Standard Name Identifier
4. Faceted Application of Subject Terminology
5. Virtual International Authority File
6. Brockhaus Enzyklopädie
7. Czech National Authority Database
8. NUKAT
9. Freebase Data Dumps. 2013
10. IdRef
11. Provenio