# Ralph H. Petrucci
**Wikidata**: [Q112516751](https://www.wikidata.org/wiki/Q112516751)  
**Source**: https://4ort.xyz/entity/ralph-h-petrucci


## References

1. Czech National Authority Database
2. [Source](https://www.csusb.edu/inside/article/447436/memory-ralph-petrucci)