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.103, Oxford Paperbacks
Oscar Wilde (1997). “Collected Works of Oscar Wilde: The Plays, the Poems, the Stories and the Essays Including De Profundis”, p.608, Wordsworth Editions
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.38, Oxford University Press on Demand
Oscar Wilde (1956). “Annotated The Importance of Being Earnest: A Trivial Comedy for Serious People with English Grammar Exercises: by Oscar Wilde (Author), Robert Powell (Editor)”, p.72, Powell Publications, LLC
Oscar Wilde (1997). “Collected Works of Oscar Wilde: The Plays, the Poems, the Stories and the Essays Including De Profundis”, p.680, Wordsworth Editions