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.27, Oxford University Press on Demand
Samuel Johnson (1818). “A Dictionary Of The English Language; In Which The Words Are Deduced From Their Originals; And Illustrated In Their Different Significations, By Examples From The Best Writers: Together With A History of the Language, and an English Grammar”, p.7