# Friedbert W. Rüb
**Wikidata**: [Q105669858](https://www.wikidata.org/wiki/Q105669858)  
**Source**: https://4ort.xyz/entity/friedbert-w-r-b


## References

1. Integrated Authority File
2. IdRef
3. Catalog of the German National Library
4. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810560672305606)