Pleij, H., & Webb, D. (2004). Colors demonic and divine: Shades of meaning in the Middle Ages and after / Herman Pleij ; translated by Diane Webb. Columbia University Press.

Pleij, Herman, and Diane Webb. Colors Demonic and Divine: Shades of Meaning in the Middle Ages and After / Herman Pleij ; Translated by Diane Webb. New York: Columbia University Press, 2004.

Pleij, Herman, and Diane Webb. Colors Demonic and Divine: Shades of Meaning in the Middle Ages and After / Herman Pleij ; Translated by Diane Webb. Columbia University Press, 2004.