Arab Chief by Mariano Fortuny in the Philadelphia… Detail of Arab Chief by Mariano Fortuny in the Phi… Portrait of Eugene Coppens de Fontenay by Tissot i… Sketch for A Boat Passing a Lock by Constable in t… Detail of the Sketch for A Boat Passing a Lock by… Detail of Fair on a Sunday Afternoon, Dieppe by Pi… Fair on a Sunday Afternoon, Dieppe by Pissarro in… Avenue de l'Opera, Morning Sunshine by Pissarro in… L'Ile Lacroix, Rouen by Pissarro in the Philadelph… Morning Haze by Monet in the Philadelphia Museum o… Pont Neuf, Paris: Afternoon Sunshine by Pissarro i… Vegetable Garden, Eratagny: Overcast Morning by Pi… Girl Tatting by Renoir in the Philadelphia Museum… Detail of Horses at a Fountain by Delacroix in the… Horses at a Fountain by Delacroix in the Philadelp… Gypsy Girl at a Fountain by Corot in the Philadelp… The Battle of the USS Kearsage and the CSS Alabama… Detail of The Battle of the USS Kearsage and the C… Detail of The Battle of the USS Kearsage and the C… The Steamboat, Seascape with Porpoises by Manet in… The Thorny Patch by Thomas Couture in the Philadel… Detail of The Thorny Patch by Thomas Couture in th… Young Girl with a Basket by Berthe Morisot in the… The Diggers by Millet in the Philadelphia Museum o… Detail of the Portrait of Emilie Ambre as Carmen b… Portrait of Emilie Ambre as Carmen by Manet in the… Le Bon Bock by Manet in the Philadelphia Museum of… Detail of Le Bon Bock by Manet in the Philadelphia… Detail of Carriage by Toulouse-Lautrec in the Phil… Carriage by Toulouse-Lautrec in the Philadelphia M… Detail of the Portrait Madame Roulin and Baby by V… Detail of the Portrait Madame Roulin and Baby by V… Portrait Madame Roulin and Baby by Van Gogh in the… Detail of The Portal of the Green Mosque by Gerome… The Portal of the Green Mosque by Gerome in the Ph… Detail of Spring by LaFarge in the Philadelphia Mu… Spring by LaFarge Detail Philadelphia Museum Aug 2… Spring by LaFarge in the Philadelphia Museum of Ar… Detail of The Annunciation by Henry Ossawa Tanner… The Annunciation by Henry Ossawa Tanner in the Phi… Detail of the Portrait of Lady Eden by Sargent in… Detail of the Portrait of Lady Eden by Sargent in… Portrait of Lady Eden by Sargent in the Philadelph… Penn's Treaty with the Indians by Edward Hicks in… Detail of Benjamin Franklin Drawing Electricity fr…