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Edwards, Owen Dudley. "Wilde, Oscar Fingal O'Flahertie Wills (1854–1900)." Oxford Dictionary of National Biography. Ed. H. C. G. Matthew and Brian Harrison. Oxford: OUP, 2004. Online ed. Ed. Lawrence Goldman. Jan. 2010.
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Collini, Stefan. “Arnold, Matthew (1822-1888).” Oxford Dictionary of National Biography. Ed. H. C. G. Matthew and Brian Harrison. Oxford: OUP, 2004.