GeneaStar, GeneaStar person-ID stevensjohn[Hentet fra Wikidata]
munzinger.de
Munzinger Personen, oppført som John P. Stevens, Munzinger IBA 00000015036, besøkt 9. oktober 2017[Hentet fra Wikidata]
nytimes.com
Noah Feldman (21. juni 2010): Imagining a Liberal Court. The New York Times Magazine. «Their status as liberals came from the fact that, as the court on which they served tilted to the right, they held their ground as moderate Republicans, consistently voting to sustain the constitutional rights that were discovered by the Supreme Court before they were on it.»
