# Robert W. Grubbström
**Wikidata**: [Q5773352](https://www.wikidata.org/wiki/Q5773352)  
**Source**: https://4ort.xyz/entity/robert-w-grubbstr-m


## References

1. Virtual International Authority File
2. IdRef
3. LIBRIS. 2013
4. National Library of Israel Names and Subjects Authority File