X-radiograph(s) of "St. Anne Altar (test on wood structure)"

X-radiograph(s) of "Benjamin Wadsworth"

X-radiograph(s) of "Joseph Dudley (copy of Massachussetts Historical Society)"

X-radiograph(s) of "The Lovers"

X-radiograph(s) of "Odalisque with a Slave", 1780 - 1867

Artist of original: Jean-Auguste-Dominique Ingres

X-radiograph(s) of "Portrait of a Young Man in an Armchair", 1606 - 1669

Artist of original: Attributed to Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Playing at Mord", 1599 - 1660

Artist of original: Copy after Diego Rodriguez Velázquez

Four Studies of Male Heads, 1606 - 1669

Rembrandt Harmensz. van Rijn

Fragment of the Alps, 1819 - 1900

John Ruskin

Relief (Series B), 1930 - 1985

Charlotte Posenenske

Relief (Series B), 1930 - 1985

Charlotte Posenenske

Nocturne in Black and Gold: Rag Shop, Chelsea, 1834 - 1903

James Abbott McNeill Whistler

Brown and Gold: Lillie "In our Alley!", 1834 - 1903

James Abbott McNeill Whistler

Lovers Embracing, folio from an album

Persian

X-radiograph(s) of "Dido (cassone pannel)", c. 1415 or 1417-1465

Artist of original: Also att. to Apollonio di Giovanni di Tommaso

Preparatory Drawing of an Elephant Combat

Indian

Aphrodite, 1826 - 1898

Gustave Moreau

Seated Woman

Gopilal

Mary Crowninshield Silsbee Sparks (Mrs. Jared Sparks) (1809-1887), 1800 - 1880

Francis Alexander

Reduced Study of a Distant Effect of a Portion of the "Procession and Miraculous Cure in the Piazza di San Marco," by Gentile Bellini, in the Academy, Venice, 1876-1877, 1840 - 1930

Charles Herbert Moore