Oscar Wilde (2014). “Wilde Complete Plays: Lady Windermere's Fan; An Ideal Husband; The Importance of Being Earnest; A Woman of No Importance; Salome; The Duchess of Padua; Vera, or the Nihilists; A Florentine Tragedy; La Sainte Courtisane”, p.61, Bloomsbury Publishing
Oscar Wilde (1997). “Collected Works of Oscar Wilde: The Plays, the Poems, the Stories and the Essays Including De Profundis”, p.355, Wordsworth Editions