X-radiograph(s) of "Man in Armour", 1633 - 1659

Artist of original: Willem Drost

X-radiograph(s) of "Christ Carrying the Cross", c. 1548 - 1628

Artist of original: Jacopo Palma Giovane

X-radiograph(s) of "Heraclitus (two versions)", 1599 - 1660

Artist of original: Diego Rodriguez Velázquez

X-radiograph(s) of "Male Portrait", 1444/45 - 1510

Artist of original: Sandro Botticelli (Alessandro Filipepi)

X-radiograph(s) of "Male Portrait", 1483 - 1561

Artist of original: Ridolfo Ghirlandaio

X-radiograph(s) of "Anne Comstock", 1755 - 1828

Artist of original: Gilbert Stuart

X-radiograph(s) of "Holy Family", c. 1485/1490 - 1540-1541

Artist of original: Joos van Cleve

X-radiograph(s) of "Baptism of Christ", c. 1488 - 1576

Artist of original: (?) Titian (Tiziano Vecellio)

X-radiograph(s) of "Flight into Egypt", c.1480/90 - 1551

Artist of original: Adriaen Isenbrant

X-radiograph(s) of "Rev. Samuel Stillman", 1759-1826

Artist of original: Christian Gullager

Study for "Charles I Demanding Impeachment of Five Members of The House of Commons", 1738 - 1815

John Singleton Copley

X-radiograph(s) of "Nymphs", 1503 - 1540

Artist of original: School of Parmigianino

X-radiograph(s) of "Confidential", 1593 - 1678

Artist of original: Jacques Jordaens

X-radiograph(s) of "Dutch Man"

Portrait of a Woman in a Hat, 1852 - 1917

James Carroll Beckwith

Phebe Taylor Winthrop (Mrs. Francis Bayard Winthrop) (1765-1841), 1756 - 1843

John Trumbull

Horace Wells (1815-1848), 1839 - 1909

Charles Thomas Wells

Charles Sumner (1811-1874), 1823 - 1919

Walter M. Brackett

Col. Israel Thorndike (1755-1832), 1755 - 1828

Gilbert Stuart

Thomas Charles Winthrop (1797-1873), born c. 1841, active 1870s-1880s

John Irving