"one of the most impressive theological writings of the century and often marked by the eloquence of lofty moral convictions'." dito por Leslie Stephen, segundo o The age of Dryden por Richard Garnett, no Googlebooks p. 226.
Christian Barclay: veja ODNB artigo por
Gordon DesBrisay, 'Barclay, Robert, of Ury (1648–1690)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 [1], e - para os filhos: P. G. M. Dickson, 'Barclay, David (1682–1769)’, rev., Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 10 Aug 2008