# Mark Ross Clark

> American opera singer and stage director

**Wikidata**: [Q106815760](https://www.wikidata.org/wiki/Q106815760)  
**Source**: https://4ort.xyz/entity/mark-ross-clark


## References

1. BnF authorities
2. WorldCat
3. Virtual International Authority File
4. CiNii Research
5. Library of Congress Authorities