"There is not a single bit of written or printed source material that links Giovanni Battista Palumba to the portraits in Andrea Fulvio's Illustrium Imagines. The question remains with us as to how an art historian can link the aerated style of Palumba in the larger pictures with the dense black and white sketchy portraits in the Illustrium Imagines...", Spink Numismatic Circular, Volume 108, 2000
