Morris, Michael: Middle Earth, Narnia, Hogwarts, and Animals: A Review of the Treatment of Nonhuman Animals and Other Sentient Beings in Christian-Based Fantasy Fiction. In: Society & Animals 17/4 (2009). Internet: http://booksandjournals.brillonline.com/content/journals/10.1163/106311109x12474622855183. Zuletzt geprüft am: 11.5.2017. S. 343–356.