# Gerhard Füllkrug
**Wikidata**: [Q55847522](https://www.wikidata.org/wiki/Q55847522)  
**Source**: https://4ort.xyz/entity/gerhard-f-llkrug


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. Deutsche Biographie
5. IdRef