The Mystic Ark: Hugh of Saint Victor, Art, and Thought in the Twelfth Century 2014, Cambridge University Press Conrad Rudolph, author http://mysticark.ucr.edu For an abstract, go to the following link and search the page: https://ucriverside.academia.edu/ConradRudolph
A Companion to Medieval Art: Romanesque and Gothic in Northern Europe 2009, Wiley-Blackwel Conrad Rudolph, editor For an abstract, go to the following link and search the page: https://ucriverside.academia.edu/ConradRudolph