Burke, Jessica (2007). ""How now, spirit! Wither wander you?" Diminution: The Shakespearean Misconception and the Tolkienian Ideal of Faƫrie". In Croft, Janet Brennan (ed.). Tolkien and Shakespeare: Essays on Shared Themes and Language. Critical explorations in science fiction and fantasy. Vol. 2. Jefferson, North Carolina: McFarland. p. 31. ISBN9780786428274.