Art

• Illumination from De proprietatibus rerum by Bartholomew the Englishman
• Miracle of the Gadarene swine. J. Paul Getty Museum.

Architecture & Sculpture

• Demons at the Last Judgment. From Notre Dame Cathedral
• Close ups from the West Front of Notre Dame Cathedral
• Perverse Angels with Wings. A close-up from the nave at Vezelay, France
• Perverse Angels with Wings. Clunic Abbey Church of Saint-Pierre

Islamic Tradition

• Islamic angels

Literature

• "Mary Magdalen." Excerpts from a medieval morality play featuring a conflict between Lucifer employing Luxury (a-bowndans) and a good angel over Mary's soul.

Christian Philosophy

• Anselm of Canterbury, The Fall of the Devil,
• P. King, "Bonaventure's Theory of Individuation," summarizes Bonaventure's explanation of seminal reasons. See pp. 16-17.
• M. de Wulf, History of Medieval Philosophy. Describes John Duns Scotus' rejection of the theory of seminal reasons.

Christian Theology

• Angels
• Lucifer
• Devil
• Demon