George Stubbs
Whistlejacket (1762, National Gallery, London)

Anselm Adams
The Tetons and the Snake River (1942)

Frida Kahlo
Henry Ford Hospital (1932, Collection Dolores Olmedo Foundation, Mexico City)

Francesco Guardi
View of the Molo towards the Santa Maria della Salute (1775)

Sir Thomas Lawrence
Pinkie (1794, Huntington Institute, San Marino, California)

George Grosz
Pillars of Society (1926, Staatliche Museum, Berlin)

Georgia O'Keeffe
Cow's Skull: Red, White, and Blue, (1931, Metropolitian Museum of Art, New York)

Norman Rockwell
Save The Freedom of Speech (1942, Curtis Publishing Company)

Jack Vettriano
The Singing Butler (1992, Private Collection)

Ivan Nikolayevich Kramskoy
Portrait of an Unknown Woman (1883, Tretyakov Gallery, Moscow)

Antonello da Messina
Christ Crowned with Thorns (also known as Ecce Homo: 1470, Metropolitan Museum of Art, New York)