Oscar Wilde, Russell Jackson, Joseph Bristow, Ian Small (2000). “The Complete Works of Oscar Wilde: The picture of Dorian Gray : the 1890 and 1891 texts”, p.109, Oxford University Press on Demand
Oscar Wilde, Russell Jackson, Ian Small (2000). “The Complete Works of Oscar Wilde: De profundis, "Epistola : in carcere et vinculis"”, p.105, Oxford University Press on Demand
Oscar Wilde, Peter Raby (2008). “The Importance of Being Earnest and Other Plays: Lady Windermere's Fan; Salome; A Woman of No Importance; An Ideal Husband; The Importance of Being Earnest”, p.116, Oxford Paperbacks
Oscar Wilde (2013). “The Picture of Dorian Gray: The Story of a Fashionable Young Man Who Sells His Soul for Eternal Youth and Beauty (Beloved Books Edition)”, p.37, Lulu Press, Inc