John William Cousin, A Short Biographical Dictionary of English Literature… (1910)
“ His writings, which are all remarkable for industrious collection of facts, careful and impartial sifting and weighing of evidence, and a clear, sober, and agreeable style, include History of England from the Peace of Utrecht to the Peace of Versailles (1836-63) , and histories of the War of the Spanish Succession (1832) , and of the Reign of Queen Anne (1870) , besides Lives of the younger Pitt (1861) and of Lord 'Chesterfield. As an author he is best known as Viscount Mahon. ”
