Gunzburg, Darrelyn. “Giotto’s Sky: The Fresco Paintings of the First Floor Salone of the Palazzo Della Ragione, Padua, Italy”. Journal for the Study of Religion, Nature and Culture 7, no. 4 (March 13, 2014): 407–433. Accessed August 14, 2024. https://journal.equinoxpub.com/JSRNC/article/view/4547.