# Geoffrey B. Greatrex

> Canadian Esperantist

**Wikidata**: [Q1502931](https://www.wikidata.org/wiki/Q1502931)  
**Source**: https://4ort.xyz/entity/geoffrey-b-greatrex


## References

1. BnF authorities
2. International Standard Name Identifier
3. CiNii Research
4. Virtual International Authority File
5. National Library of Israel Names and Subjects Authority File