(en-US) Sheila Rule, « British Legislator, Foe of I.R.A., Is Killed by a Bomb at His Home », The New York Times, (ISSN0362-4331, lire en ligne, consulté le )
nytimes.com
(en-US) Sheila Rule, « British Legislator, Foe of I.R.A., Is Killed by a Bomb at His Home », The New York Times, (ISSN0362-4331, lire en ligne, consulté le )