Cropper, Elizabeth (1995): «The Place of Beauty in the High Renaissance and its Displacement in the History of Art», Vos, Alvin, red.: Place and Displacement in the Renaissance, Medieval & Renaissance Texts & Studies; s. 159–205
«23 High Renaissance», Introduction To Art, Boise State Pressbooks. Sitat: «The High Renaissance represents the culmination of the goals of the Early Renaissance, namely the realistic representation of figures in space rendered with credible motion and in an appropriately decorous style.»