# Josef Robert Harrer
**Wikidata**: [Q94891092](https://www.wikidata.org/wiki/Q94891092)  
**Source**: https://4ort.xyz/entity/josef-robert-harrer


## References

1. Catalog of the German National Library
2. Literatur in Österreich 1938-1945, Band 4: Wien
3. Integrated Authority File