Artist of original: Perugino (Pietro Vannucci)

X-radiograph(s) of "Crossbowman (drawing)"

, 1967

X-radiograph(s) of "Apollo and Marsyas"

X-radiograph(s) of "Madonna and Angels"

X-radiograph(s) of "St. Sebastian"

X-radiograph(s) of "Madonna and Child with St. John and an Angel"

X-radiograph(s) of "Resurrection"