["Ruine am Meere," 1929, drawing by Lyonel Feininger]

Lyonel Feininger

X-radiograph(s) of "Friar Angelo Feretti as Saint Peter Martyr"

Leandro Bassano Lorenzo Lotto

X-radiograph(s) of "Judgment of Paris"

Rocky Landscape

Roelant Roghman

Dice

X-radiograph(s) of "Landscape with Figures"

X-radiograph(s) of "Christ before Caiaphas"

Simon Marmion

X-radiograph(s) of "Landscape with Figures"

Giuseppe Zais Francesco Zuccarelli

X-radiograph(s) of "Christ Blessing, Salvator Mundi"

Sandro Botticelli (Alessandro Filipepi)

X-radiograph(s) of "Portrait of a Boy"

Amedeo Modigliani

X-radiograph(s) of "Nativity of the Virgin (cassone panel)"