# Roger C. Greer
**Wikidata**: [Q132128463](https://www.wikidata.org/wiki/Q132128463)  
**Source**: https://4ort.xyz/entity/roger-c-greer


## References

1. Integrated Authority File
2. Virtual International Authority File
3. NUKAT
4. Electronic Union Catalogue of Latvian Libraries of National Significance
5. Trove
6. Catalogue of the Library and Information Center of the University of Macedonia