# Harold R. Jacobs
**Wikidata**: [Q112485843](https://www.wikidata.org/wiki/Q112485843)  
**Source**: https://4ort.xyz/entity/harold-r-jacobs-q112485843


## References

1. Czech National Authority Database
2. National Library of Israel Names and Subjects Authority File
3. [Source](https://openlibrary.org/authors/OL720074A/Harold_R._Jacobs)