# John E. Madden

> American horse trainer

**Wikidata**: [Q6230823](https://www.wikidata.org/wiki/Q6230823)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_E._Madden)  
**Source**: https://4ort.xyz/entity/john-e-madden


## References

1. Faceted Application of Subject Terminology
2. SNAC