# Mark A. Hubble
**Wikidata**: [Q112491250](https://www.wikidata.org/wiki/Q112491250)  
**Source**: https://4ort.xyz/entity/mark-a-hubble


## References

1. Czech National Authority Database
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)