X-radiograph(s) of "In the Studio", 1606 - 1669

Artist of original: Copy after(?) Rembrandt Harmensz. van Rijn

X-radiograph(s) of "An Old Man", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Mrs. Collyear", 1723 - 1792

Artist of original: Sir Joshua Reynolds

X-radiograph(s) of "Lord Mansfield (copy)", 1723 - 1792

Artist of original: Sir Joshua Reynolds

X-radiograph(s) of "Self-Portrait (copy)", 1577 - 1640

Artist of original: Peter Paul Rubens

X-radiograph(s) of "Female Portrait", c. 1485 - 1547

Artist of original: Sebastiano del Piombo

X-radiograph(s) of "Two Saints", 1298 - 1331

Artist of original: Segna di Bonaventura

X-radiograph(s) of "Christ at Emmaus", 1599 - 1660

Artist of original: Diego Rodriguez Velázquez

X-radiograph(s) of "Alms-Giver", 1599 - 1660

Artist of original: Follower of Diego Rodriguez Velázquez

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

X-radiograph(s) of "Ruth and Boaz", 1645 - 1727

Artist of original: Arent de Gelder

X-radiograph(s) of "Ecce Homo", 1610 - 1690

Artist of original: David Teniers II

X-radiograph(s) of "John Bush"

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

X-radiograph(s) of "Self-Portrait", 1606 - 1669

Artist of original: School of Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Mary Pepperell Frost"

X-radiograph(s) of "Head of a Man", c. 1390 - 1441

Artist of original: Follower of Jan van Eyck

X-radiograph(s) of "Luis Gongora", 1599 - 1660

Artist of original: Diego Rodriguez Velázquez

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