# Cosmas

> Christian martyr

**Wikidata**: [Q11841156](https://www.wikidata.org/wiki/Q11841156)  
**Source**: https://4ort.xyz/entity/cosmas-q11841156


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. The Catholic Encyclopedia
4. Czech National Authority Database
5. National Library of Israel Names and Subjects Authority File