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.111, Oxford University Press on Demand
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Oscar Wilde (1997). “Collected Works of Oscar Wilde: The Plays, the Poems, the Stories and the Essays Including De Profundis”, p.937, Wordsworth Editions
Oscar Wilde, Russell Jackson, Ian Small (2000). “The Complete Works of Oscar Wilde: Poems and poems in prose”, p.161, 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.155, Oxford University Press on Demand