# John Hagan

> American lawyer and sociologist focusing on criminology

**Wikidata**: [Q1700343](https://www.wikidata.org/wiki/Q1700343)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_L._Hagan)  
**Source**: https://4ort.xyz/entity/john-hagan-q1700343


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. BnF authorities
4. Virtual International Authority File
5. CiNii Research
6. [Source](http://www.nasonline.org/member-directory/living-member-list.html)