"The World Doesn't Need Another Rhyming Tooth Fairy Story: A Conversation with Children's Book Agent Andrea Brown". Interview with Anna Olswanger, www.underdown.org. 1998.
Samuel Johnson, Baron Thomas Babington Macaulay Macaulay (1854). “Lives of the most eminent English poets: with critical observations on their works”, p.223
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.22, Oxford University Press on Demand