# John Johnston Collyer
**Wikidata**: [Q19933137](https://www.wikidata.org/wiki/Q19933137)  
**Source**: https://4ort.xyz/entity/john-johnston-collyer


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb14560534h)
2. general catalog of BnF
3. Virtual International Authority File