Windmills

Édouard Armand-Dumaresq

Landscape with Shepherd Watching his Sheep

Thomas Gainsborough

Letter D

Anonymous France 1599

Catania, Sicily

Joseph Mallord William Turner

Parchment #7

Susan Schwalb

The Yellowstone

Unidentified Artist Thomas Moran

Untitled (man playing volleyball on the beach, Vietnam)

Gordon W. Gahan

Untitled (loading medevac helicopter, Vietnam)

Gordon W. Gahan

Flower Lesson

Adolfo Farsari

Samurai

Adolfo Farsari

Untitled (girl on beach, Nazaré, Portugal)

Gordon W. Gahan

Untitled (woman seated under a flowering tree by a body of water)

Unidentified Artist

Customs and Fashions of the Turks

Pieter Coecke van Aelst

Bamboo and Sparrows

Kunii Oyo 国井応陽

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

Antonio del Massaro da Viterbo, called Pastura

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

Giovanni Antonio Boltraffio

X-radiograph(s) of "Christ in the Garden"

Giovanni Bellini

X-radiograph(s) of "View in Venice"

Bernardo Bellotto

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

Thomas Hudson

X-radiograph(s) of "Young Lady"

Ferdinand Bol Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Healing of Tobias"

Ferdinand Bol

X-radiograph(s) of "St. Jerome"

Hieronymus Bosch

X-radiograph(s) of "Tete de Femme"

Jacques-Louis David

X-radiograph(s) of "Arabs Resting in a Wood"

Ferdinand-Victor-Eugène Delacroix

X-radiograph(s) of "Dante and Virgil (copy ?)"

Ferdinand-Victor-Eugène Delacroix

X-radiograph(s) of "Tobit and his Wife (copy from Rembrandt)"

Gerhard Dou

X-radiograph(s) of "James Stuart, Duke of Lennox"

Anthony van Dyck

X-radiograph(s) of "Madonna and Angels"

Anthony van Dyck

X-radiograph(s) of "Self-Portrait"

Barent Fabritius

X-radiograph(s) of "Man in Fur Cap (self-Portrait ?)"

Carel Fabritius

X-radiograph(s) of "Man with Gold Chain (the Laborer ?)"

Willem Drost Rembrandt Harmensz. van Rijn Carel Fabritius

X-radiograph(s) of "Count Rumford"

Thomas Gainsborough

X-radiograph(s) of "Circumcision"

Arent de Gelder Rembrandt Harmensz. van Rijn

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

Frans Hals II

X-radiograph(s) of "Youth with a Lute and Glass"

Frans Hals

X-radiograph(s) of "Malle Babbe"

Frans Hals II

X-radiograph(s) of "The Artist and Family (sketch for Louvre painting)"

X-radiograph(s) of "St. Rosa of Viterbo"

Bartolomé Esteban Murillo

X-radiograph(s) of "Scholar"

Giuseppe Nogari

X-radiograph(s) of "The Argonauts"

Jacopo del Sellaio Pesellino (Francesco di Stefano)

X-radiograph(s) of "Barbier Walbonne"

Pierre-Paul Prud'hon

X-radiograph(s) of "Toilet of Bathsheba"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Self-Portrait"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "An Astronomer"

Jusepe de Ribera

X-radiograph(s) of "Marriage of St. Catherine - sketch"

Cornelis Schut I Peter Paul Rubens

X-radiograph(s) of "Self-Portrait (copy)"

Peter Paul Rubens

X-radiograph(s) of "Head of Old Man"

Jan Adriaensz. van Staveren

X-radiograph(s) of "Portrait of a Woman of the Plainval Family"

Louis Tocqué

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

Werner van den Valckert

X-radiograph(s) of "Don Carlos and Dwarf"

Diego Rodriguez Velázquez

X-radiograph(s) of "Maria Marguerite"

Juan Bautista Martínez del Mazo Diego Rodriguez Velázquez

X-radiograph(s) of "Portrait of Velazquez"

Diego Rodriguez Velázquez

X-radiograph(s) of "Lady Playing Spinnet"

Jan Vermeer

X-radiograph(s) of "Jacob and Family"

Jan Victors Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Unknown Man Standing"

Gerritt Willemsz Horst Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Landscape"

Jean-Antoine Watteau

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

X-radiograph(s) of "Male Portrait"

Govert Flinck

X-radiograph(s) of "Ecce Homo "

Jacobello di Antonello

X-radiograph(s) of "Jo, La Belle Irlandaise (Johanna Hiffernan, born 1842/43)"

Gustave Courbet

X-radiograph(s) of "Margaret de Vos"

Gaspar de Crayer Anthony van Dyck

X-radiograph(s) of "Tobias and the Angel"

Barent Fabritius Rembrandt Harmensz. van Rijn

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

Bartholomeus van der Helst

X-radiograph(s) of "Mattheus van der Broucke"

Samuel van Hoogstraten

X-radiograph(s) of "Lanscape"

Roelant Roghman

X-radiograph(s) of "Self-Portrait"

Caspar Netscher

X-radiograph(s) of "Old Man"

Christoph Paudiss

X-radiograph(s) of "head of Christ"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Jael"

Johann Spilberg the Younger