Wolf, G., & Helas, P. (2009). The Shadow of the Wolf: The Survival of an Ancient God in the Frescoes of the Strozzi Chapel (S. Maria Novella, Florence), or Filippino Lippi's Reflection on Image, Idol and Art. In M. W., Cole, & R., Zorach (Eds.), The Idol in the Age of Art (pp. 133-157). Farnham: Ashgate.