J. R. S. Phillips

{{short description|British historian}}

{{Use dmy dates|date=January 2022}}

{{EngvarB|date=January 2022}}

John Roland Seymour Phillips (born 1940) is a British historian and academic. He did a Doctor of Philosophy degree at the University of London in 1967, on the subject of the 14th-century Earl of Pembroke, Aymer de Valence.{{cite book|first=J.R.S.|last=Phillips|title=Aymer de Valence, Earl of Pembroke 1307–1324|publisher=Oxford University Press|location=Oxford|year=1972|page=[https://archive.org/details/aymerdevalenceea0000phil/page/ viii]|isbn=0-19-822359-5|oclc=426691|url-access=registration|url=https://archive.org/details/aymerdevalenceea0000phil/page/}} Later he published a book on the same subject. Phillips was head of the department of medieval history, at the University College Dublin.{{cite web|url=http://ukcatalogue.oup.com/product/9780198207405.do|title=The Medieval Expansion of Europe|publisher=Oxford University Press|accessdate=2009-08-01}} Today he is professor emeritus at that university.{{cite web|url=http://www.ucdpress.ie/display.asp?K=9781904558545&aub=Howard%20B.%20Clarke&m=1&dc=1|title=Ireland, England and the Continent in the Middle Ages and Beyond |publisher=UCD Press|accessdate=2009-08-01}} In 2010, Phillips contributed a volume on King Edward II to the Yale English Monarchs series.{{Cite web |title=Edward II |url=http://www.monarchsbookseries.com/monarchsbookseries.com/edward-ii.html |access-date=2025-06-23 |website=www.monarchsbookseries.com |language=en-GB}}