1. Barr Jr Alfred H. 1946. “Statement by Picasso: 1923.” In Picasso: Fifty Years of His Art. New York: The Museum of Modern Art. https://projects.mcah.columbia.edu/arthumanities/websites/picmon/pdf/art_hum_reading_49.pdf.
2. Bruneau, Philippe, Mario Torelli, and Xavier Barral i Altet. 2013. “The Great Art of Antiquity.” In Sculpture from Antiquity to the Present Day, edited by Georges Duby and Jean-Luc Daval, 5–241. Koln: Taschen.
3. The artful mind meets art history: Toward a psycho-historical framework for the science of art appreciation
4. Burke, Peter. 2017. The Italian Renaissance Culture and Society in Italy. Cambridge: Polity Press.
5. The population of Florence before the Black Death: survey and synthesis