Oscar Wilde, Russell Jackson, Ian Small (2000). “The Complete Works of Oscar Wilde: De profundis, "Epistola : in carcere et vinculis"”, p.82, Oxford University Press on Demand
Oscar Wilde (1997). “Collected Works of Oscar Wilde: The Plays, the Poems, the Stories and the Essays Including De Profundis”, p.205, Wordsworth Editions
Oscar Wilde (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.65, OUP Oxford
Oscar Wilde, Russell Jackson, Ian Small (2000). “The Complete Works of Oscar Wilde: De profundis, "Epistola : in carcere et vinculis"”, p.82, Oxford University Press on Demand