X-radiograph(s) of "Portrait of Martin Luther"

X-Radiograph Description: X-Radiograph; Number: 3 (stereo) at 0, -10, +20; Portion of picture covered: 20% Burroughs Number: 3605 X-Radiograph(s) of: Artist: Cranach, Lucas, the Elder, German, 1472-1553 Title: Portrait of Martin Luther Description: 865.1941- Fogg long term loan number Owner: Harvard University Art Museums