"The archival sources concerning the building and decoration reveal the details about the sculptures, their makers and the iconographical program."
"It did not feature a "portrayal" of the Prophet, the word they used on their site, nor did it constitute an "insult" by the iconographical values of American culture."
"Numerous scholars, most recently Lorne Campbell, Cecil H. Clough, and Marcin Fabianski, Pier Luigi Bagatin, Luciano Cheles, and Virginia Grace Tenzer, have provided a wealth of iconographical data about the imagery and architectural ornament in the studioli and throughout the ducal palaces."