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

X-radiograph(s) of "Henry VIII"

X-radiograph(s) of "Bishop"

Artist of original: School of Melozzo da Forli

X-radiograph(s) of "Portrait of an Officer"

X-radiograph(s) of "Pieta", 1510 - 1592

Artist of original: Follower of Jacopo Bassano the Elder

X-radiograph(s) of "mary Wodehouse", 1618 - 1680

Artist of original: School of Sir Peter Lely

Profile Head and Three Faces; verso: Profile Head of Madame X (Madame Gautreau), Figures, 1856 - 1925

John Singer Sargent

Evangelinus Apostolides Sophocles (1800?-1883), 1846 - 1912

Francis Davis Millet

Ezekiel Price Greenleaf (1790-1886), 1840 - 1892

Edgar Parker

Zedekiah Sanger (1749-1820), 1852 - 1931

Edward E. Simmons

Walter Hastings (1815-1879), 1853 - 1941

Robert Hinckley

John Albion Andrew (1818-1867), 1834 - 1919

Darius Cobb

George Frisbie Hoar (1826-1904), 1846 - 1911

Frederic Porter Vinton

Thomas Hill (1818-1891), 1852 - 1931

Edward E. Simmons

Col. James Savage Jr. (1832-1862), 1827 - 1867

William Henry Furness, Jr.

English Robin, 1785 - 1851

John James Audubon

Figure with Flowers; verso: Dragonfly, 1834 - 1903

James Abbott McNeill Whistler

Faith, Hope, and Charity, Study for Window, Trinity Church, Chicago, 1835 - 1910

John La Farge

Scene in the Adirondacks, 1836 - 1910

Winslow Homer

Calvin Ellis (1826-1883), 1846 - 1911

Frederic Porter Vinton