Note 20 — Chapter III
Reading edition
E. A. King, "Medieval Medicine," Nineteenth Century, XXXIV, p. 151.
For further references to the effect of demonism, see J. F. Nevius, Demon Possession and Allied Themes; J. M. Peebles, The Demonism of the Ages and Spirit Obsessions; articles on "Demon," "Demonism," "Demoniacal Possession," and "Devil," in the Catholic Encyclopedia, the New International Encyclopedia, and the Encyclopedia Britannica.