# Frederick Herman Martens
**Wikidata**: [Q4282506](https://www.wikidata.org/wiki/Q4282506)  
**Source**: https://4ort.xyz/entity/frederick-herman-martens


## References

1. BnF authorities
2. general catalog of BnF
3. Virtual International Authority File
4. [BnF authorities](http://data.bnf.fr/ark:/12148/cb14410757h)
5. Internet Speculative Fiction Database
6. CONOR.SI