Winthrop S. Hudson: Denominationalism. In: Lindsay Jones (Hrsg.): Encyclopedia of Religion. 2. Auflage. Band4. Macmillan Reference USA, Detroit 2005, S.2286–2291 (hinter einer Paywall: Gale Virtual Reference Library – “Through our knowing but in part, it is come to pass that professors of Christianity have been of diverse opinions in many things and their difference hath occasioned several denominations, but while they agree in the foundation they may be saved.”).