Wolf, Gerhard Kunsthistorisches Institut in Florenz, MPI, Max Planck Society;
Wolf, G. (2015). Dante's eyes and the abysses of seeing: poetical optics and concepts of images in the "Divine Comedy". In A. Payne (Ed.), Vision and its instruments: art, science, and technology in early modern Europe (pp. 122-137). University Park: Pennsylvania Univ. Press.