# Charles Ritter
**Wikidata**: [Q130642087](https://www.wikidata.org/wiki/Q130642087)  
**Source**: https://4ort.xyz/entity/charles-ritter


## References

1. [Source](https://ge.ch/arvaegrefdoc/EC3/88225/00000123.JPG)
2. Catalogue of the National Library of Greece
3. Integrated Authority File
4. Kallías
5. Parsifal catalog