This art history video discussion examines Duccio di Buoninsegna, Madonna and Child, tempera and gold on panel, c. 1300 (Metropolitan Museum of Art).

This art history video discussion examines Duccio's "Maesta" (back view), 1308-11 (Museo dell'Opera Metropolitana del Duomo, Siena).

This art history video discussion examines Duccio's "Maesta" (front view), 1308-11 (Museo dell'Opera Metropolitana del Duomo, Siena).

This art history video discussion examines Duccio di Buoninsegna's "The Virgin and Child with Saints Dominic and Aurea", c. 1315, tempera on wood, 42.5 x 34.5 cm (National Gallery, London).

This art history video discussion examines Marcel Duchamp's "Boite-en-valise (the red box)", series F, 1960 (Portland Art Museum).

This art history video discussion looks at Marcel Duchamp's "Fountain" (1917/1964). Porcelain urinal, paint (San Francisco Museum of Modern Art).

This art history video discussion examines Albrecht Dürer's prints: "Four Horsemen of the Apocalypse" (ca. 1497–98) and "St. Jerome in his Study" (1514).

This art history video discussion examines Albrecht Dürer's "Self-portrait", 1498, oil on panel, 52 x 41 cm (Museo Nacional del Prado, Madrid).

This art history video discussion examines Albrecht Durer's "The Large Piece of Turf", 1503, watercolor and gouache on paper, 16-1/8 x 12-5/8 inches / 41 x 32 cm (Graphische Sammlung Albertina, Vienna)

This art history video dicussion examines William Dyce's "Pegwell Bay, Kent - a Recollection of October 5th 1858" 1858-60, oil on canvas (Tate Britain, London).

This art history video discussion examines "Dying Gaul", an ancient Roman marble copy of a lost bronze Greek sculpture, c. 220 BCE.

In this art history video discussion Beth Harris and Steven Zucker look at Albrecht Dürer's "The Four Apostles", oil on wood, 1526. Alte Pinakothek, Munich.

This art history video discussion examines Ed Kienholz's and Nancy Reddin Kienholz's "Useful Art #5: The Western Hotel", 1992, (Portland Art Museum).

This art history video discussion examines Edouard Manet's "Olympia", oil on canvas, 1865 (Musee d'Orsay, Paris).

This art history video discussion looks at Edouard Manet's "Plum Brandy", c. 1877, oil on canvas (National Gallery of Art).

This art history video discussion examines Edouard Manet's "The Railway", v 1872-73, oil on canvas (National Gallery of Art).

This art history video discussion examines El Greco's (Domenikos Theotokopoulos) "Adoration of the Shepherds", ca. 1612 - 1614, oil on canvas, 126 x 71 in. (319 x 180 cm), (Museo Nacional del Prado, Madrid).

This art history video discussion examines the Equestrian Sculpture of Marcus Aurelius, bronze, c. 173-76 C.E., (Capitoline Museums, Rome). The original location of the sculpture is unknown though it had been housed in the Lateran Palace since the 8th century until it was placed in the center of the Piazza del Campidoglio by Michelangelo in 1538. The original is now indoors for purposes of conservation. Marcus Aurelius ruled 161-180 C.E.

This art history video discussion examines the Caryatid (South Porch) and Ionic Column (North Porch), Erechtheion on the Acropolis, Athens, marble, 421-407 B.C.E. (British Museum, London). Mnesicles may have been the architect.

This art history video discussion examines Eva Hesse's "Untitled", enamel paint, string, papier-mache, elastic cord, 1966 (MoMA).