George MacDonald (2015). “George MacDonald: The Complete Fantasy Collection - 8 Novels & 30+ Short Stories and Fairy Tales (Illustrated): The Princess and the Goblin, Lilith, Phantastes, The Princess and Curdie, At the Back of the North Wind, Portent, The Lost Princess, Adela Cathcart, Dealings with the Fairies and many more”, p.444, e-artnow