# Ralph Helfer

> American animal trainer

**Wikidata**: [Q3418262](https://www.wikidata.org/wiki/Q3418262)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ralph_Helfer)  
**Source**: https://4ort.xyz/entity/ralph-helfer


## References

1. Virtual International Authority File
2. International Standard Name Identifier
3. CiNii Research
4. [Source](https://www.babelio.com/auteur/-/249660)
5. Open Library
6. National Library of Israel Names and Subjects Authority File