X-radiograph(s) of "Samuel Sewall", 1704 - 1740

Artist of original: Nathaniel Emmons

X-radiograph(s) of "Mrs. Spencer", 1768 - 1836

Artist of original: Ezra Ames

X-radiograph(s) of "Head of a Man", c. 1525-1605

Artist of original: (?) Cristofano dell' Altissimo

X-radiograph(s) of "St. Jerome", 1452 - 1519

Artist of original: Leonardo da Vinci

X-radiograph(s) of "Nativity", c. 1398/99 - 1482

Artist of original: Giovanni di Paolo

X-radiograph(s) of "Madonna and Child (crudely repainted)", c. 1432-1492

Artist of original: (?) Francesco Benaglio

X-radiograph(s) of "Madonna and Child (completely repainted)"

X-radiograph(s) of "Portrait of a Man", 1497/98 - 1543

Artist of original: School of(?) Hans Holbein the Younger

X-radiograph(s) of "Madonna and Child with Saints", 1478 - 1566

Artist of original: Bernardino di Mariotto

X-radiograph(s) of "Pieta", c. 1450-1523

Artist of original: Bartolomeo Montagna

X-radiograph(s) of "Madonna and Child", c. 1465-1516

Artist of original: Giovanni Battista Bertucci I

X-radiograph(s) of "Benjamin Hallowell", 1738 - 1815

Artist of original: John Singleton Copley

X-radiograph(s) of "Girl with Grapes", 1738 - 1815

Artist of original: John Singleton Copley

X-radiograph(s) of "Peter Bours", c. 1725 - 1787

Artist of original: Joseph Blackburn

X-radiograph(s) of "St. Catherine", active c. 1280 - 1348

Artist of original: Bernardo Daddi

X-radiograph(s) of "Crucifix", active 1236-1254

Artist of original: (?) Giunta Pisano

X-radiograph(s) of "Annunciation"

X-radiograph(s) of "Harbor Scene", c. 1645-1718

Artist of original: Jan Greffier I

X-radiograph(s) of "Alex Martin"

X-radiograph(s) of "Continence of Scipio (copy from Nicolas Poussin)", 1688 - 1751

Artist of original: Attributed to John Smibert